Organic material made by plants and animals is _______.
A) biomass
B) ethanol
C) geothermal
D) geyser
E) peat
Answer: A) Biomass
Hope this helps
Designer drugs are classified as drugs that. A.Have medical use
B. Are synthetically created
CAren't Addictive
D. All of the above
can you answer this question pls
Answer:
Tumor's are formed by a rapid cell division and is given many immature cells. But by preventing mitosis it will prevent the formation of growth of new cellls and will hence the growth of a tumor.
Hope this helps :))
Which are characteristics of bryophytes? (Select all that apply.)
□ Most of them grow tall.
□ Most of them are vascular plants.
□ Most of them live in shady, moist, or humid areas.
□ Most of them need water to help reproduce.
Answer:
Explanation:
there u go
HURRY
Which factors contribute to a country's natural population growth? Select three responses.
O immigration rate
O migration rate
Obirth rate
Odeath rate
Ofertility rate
Answer:
Birth rate, death rate, and fertility rate.
Can someone explain this?
How did the first small organic molecules form in earth’s earliest atmosphere? There are two main theories discussed. Make sure you know both. Refer to Miller and Urey experiment and meteorite theory
zapped gas/liquid into amino acids
many amino acids thought to have come from meteorites
a mixture of gases and water that Miller thought were present on early Earth was heated and zapped with electricity to mimic lightning. This created five identifiable amino acids
newscientistcom
We know amino acids exist in some kinds of meteorites and interplanetary dust
Many left-handed amino acids were found inside the Murchison meteorite. Most were kinds not found on Earth.
92 different amino acids have been identified in the Murchison meteorite. Of these, only 19 are also found on Earth. The remaining amino acids have no apparent terrestrial source. This discovery led scientists to consider the possibility that Earth's life forms originated elsewhere in the universe. And the same cosmic process that may have helped life arise on Earth could also be seeding life elsewhere in the universe
pbs
https://www.pbs.org/exploringspace/meteorites/murchison/page9.html
Using the terms barycenter, nutation, and precession, describe the relationship between the Earth, the sun, and other celestial bodies in and outside of our solar system.
Life on earth depends on the sun because sun solar energy makes the earth suitable for living.
Describe the relationship between the Earth and the sun?There is crucial relationship of earth with the sun because the survival of organisms occurs due to sun. The sun is responsible for the presence of seasons and biodiversity on earth.
So we can conclude that life on earth depends on the sun because sun solar energy makes the earth suitable for living.
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A marine ecosystem is represented below. top carnivores, sharks, dolphins, albatross, third-level carnivores, squid, second-level carnivores, larger fish, decomposers first-level carnivorous consumers, juvenile stages of fish, jellyfish, crustaceans, and sea stars, herbivore consumers, zooplankton and cockles, primary producers, phytoplankton and seaweed, sunlight. What is lost to the environment at each of the trophic levels of this ecosystem
The question is as follows,
A marine ecosystem is represented below (you will find the image in the attached files).
- Decomposers
6) Top carnivore: sharks, dolphins, albatross
5) Third-level carnivores: squid
4) Second-level carnivores: larger fish
3) First-level carnivores: juvenile stages of fish, jellyfish, crustaceans, and sea stars
2) Herbivore: zooplankton and cockles
1) Primary producers: phytoplankton and seaweed
- Sun provides energy to producers
What is lost to the environment at each of the trophic levels of this ecosystem?
In a trophic web, 10% of a link's energy is transferred to the following link, and the other 90% dissipates to the environment as heat. The answer is heat.
What is the trophic web?The trophic web is the interaction between different organisms involving transference of energy when some of them feed on the other ones.
The ones placed at lower levels pass energy to the ones at the higher levels.
Organisms at each level feed on the preceding one and become food for the next one.
The first link corresponds to a producer organism -autotroph-.The following links are the consumers -heter0trophs-: herbivores and carnivores.The last links are the decomposers that degrade organic matter from dead organisms.Because it is a web, all organisms are in equilibrium until a change occurs. When a sudden change affects any of the involved links, there can be a cascade effect on the web.
Any change in a link population size (increasing or decreasing) will affect the superior links and the immediately anterior link.
What is the 10% rule?From the energy that reaches the Earth's surface, only 0.1 or 1% is absorbed by autotroph organisms.
This small percentage of energy flows through all organisms in the ecosystem -from autotrophs to heter0trophs- until it dissipates in the environment.
Only 10% of energy is transferred from one level to the next one. The remaining 90% is dissipated as heat to the environment. This assessment is called The 10% rule.
This rule states that only about 10% of the energy stored as biomass at one trophic level, ends up as biomass at the next trophic level.
The progressive reduction of energy determines the number of trophic levels (4 or 5).
Heat is lost to the environment at each of the trophic levels of this ecosystem.
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Dna polymerase is most active during which phase of the cell cycle?.
Answer:
yes it is. That is because DNA has a definite purpose. and is most active during when it is in the important phase.....
the cell cycle
Which of the following organisms is a third-order consumer in the food web shown above?
Answer:Humans
Explanation:
its just the answer
Which is NOT a homologous feature of
Phylum Porifera?
A. choanocytes- cells that sweep water into the body
B. have true tissues
C. amoebocytes- help support skeletal fibers
D. suspension feeders that filter food out of the water
The true nucleus is not a homologous feature of Phylum Porifera. So, it's B.
What do you mean by Porifera?Porifera may be defined as superficial invertebrate animals that live in aquatic habitats that comprise the sponges.
Organisms belonging to animals, plants, and fungi only have a true nucleus. The members of the phylum Porifera majorly consist of sponges that have a system of suspension feeders that filter food out of the water.
The members of the phylum Porifera have choanocytes that specify the cells that sweep water into the body.
Therefore, the correct option for this question is B.
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In balanced translocation heterozygotes, viable gametes and progeny are produced by which pattern(s) of chromosome segregation
Answer:straight
Explanation:
the functional relationship between nucleus ribosome and rough endoplasmic reticulum.
Answer:
The ribosomes on rough ER specialize in the synthesis of proteins that possess a signal sequence that directs them specifically to the ER for processing.
Answer:
BOTH ARE USED IN THE SYNTHESIS AND TRANSPORTATION OF PROTEIN.
One of the significant adaptations to prevent drying out in the land environment was the development by vascular plants of (a)
Answer:sun eating plant
Explanation:
Why will the demand for fossil fuel have to change in the future?
Why will the demand for fossil fuel have to change in the future
Answer-
The demands of fossil fuel have to change in the future
because the Earth would eventually run out of them do to high
demand. (Fossil Fuel consumption- 86% of energy generated in the U.S)
Many people depend on fossil fuel more than any type of enery source.
Ex (Most people use them for gas for there car)
Prokaryote cells have three basic parts.
True
False
Answer:
true
Explanation:
how to write a coma with out two independent clauses
Answer:
They can be made into one compound sentence with a semicolon alone between the two independent clauses
Explanation:
you can use a semicolon to separate two ideas (two independent clauses) that are closely related
Although both humans and bacteria have ribosomes, streptomycin—which blocks ribosome function—does not harm a human who ingests it. Why?.
Streptomycin does not harm a human who ingests it because bacteria have different ribosomal units.
What is a ribosome?Ribosomes are organelles used by cells to synthesize proteins, it is for that reason that they are called protein factories.
Ribosomal units are different in eukaryotic cells (e.g. human cells) compared to prokaryotic cells and they do not bind to streptomycin in eukaryotes.
In conclusion, Streptomycin does not harm a human who ingests it because bacteria have different ribosomal units.
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Which of the following describes how the protozoan Stentor overcomes cell size limitations?
Select one:
a. They have a central vacuole filled with water.
b. They have a string of nuclei.
c. They are supported by a myelin sheath.
The statement 'They have a string of nuclei' describes how the protozoan Stentor overcomes cell size limitations (Option b).
What are protozoans?The protozoans (kingdom Protista) are unicellular single-celled organisms that generally live in aquatic environments.
The protozoan Stentor is a type of filter-feeding organism, which is heterotrophic and contain cilia.
In conclusion, the statement 'They have a string of nuclei' describes how the protozoan Stentor overcomes cell size limitations (Option b).
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does anybody here know how to edit two pictures into one?
Answer:
possibly depending on what you want
Explanation:
.
What is biological evolution?
A change in the properties of groups of organisims over many generations.
Answer:
Biological evolution is the change in inherited traits over successive generations in populations of organisms
The more closely related two organisms are, the longer they will look alike during stages of early development prior to birth. This describes which piece of evidence for evolution?
a)Analogous structures
b)Vestigial structures
c)Embryology
d)Homologous structures
Which concept is a part of Lamarck's Theory of Evolution?
Organisms must struggle for existence
Organisms have more offspring than can survive
Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
The individuals
The environment
The reproduction
The variations
Answer:
C,
Traits that are best suited to an environment will help organisms survive (survival of the fittest),
The variations
Explanation:
Embryology is the branch of biology and medicine concerned with the study of embryos and their development.
He states "Survival of the fittest "many times in his theory of evolution
Beaks are the best adapted (fittest) to the available food have the best chance of surviving (not starving to death) and of having descendants
Therefor having variation!
Hope this helps!
Answer:
Which concept is a part of Lamarck's Theory of Evolution?
IS C.Traits can be modified, become stronger, and be passed on, while traits that are not used will disappear
NOT D.Traits that are best suited to an environment will help organisms survive (survival of the fittest)
While making careful observations at the Galapagos Islands, Darwin noticed that each island had its own species of finch with different beaks. He later concluded that the species evolved by natural selection based on what they eat. What does the selecting of beaks in natural selection?
IS B.The environment NOT D.The variationsExplanation:
Explain monohybrid and dihybrid cross??
Gregor Mendel was the scientist who is called father of Genetics. He gave the idea of Monohybrid and Dihybrid cross.
[tex]\large{\underline{\underline{\pmb{\frak {\color {red}{Question:}}}}}}[/tex]
[tex] \sf \red{Explain \: monohybrib \: and \: dihybrid \: cross}[/tex]
[tex]\large{\underline{\underline{\pmb{\frak {\color {blue}{Answer:}}}}}}[/tex]
[tex]\sf \green{Monohybrid:}[/tex]
In monohybrid cross, one pair of contrasting characters is inherited from the parents.
[tex]\sf \pink{Dihybrid:}[/tex]
In dihybrid cross, two pairs of contrasting characters is inherited from the parents.
[tex] \boxed{ \frak \red{brainlysamurai}}[/tex]
Which of the following characteristics is true of dicot plants?
netted pattern of leaf veins
two cotyledons in seed
vascular bundles arranged in a circle
All of these choices are correct.
Dicot plants are the plants having two cotyledons as the name suggest. In these plants, the veins of the leaf have a net-like appearance, forming a pattern known as reticulate venation, and the vascular bundles arranged in a circle, i.e., option D, all choices are correct.
What are the examples of dicot plants?Most dicot plants are common garden plants, shrubs and trees, and broad-leafed flowering plants such as magnolias, roses, and geraniums.
These typically also have flower parts which are based on a plan of four or five or multiples with some exceptions.
They have net leaves vein pattern, two cotyledons, and ring shaped vascular bundles.
Thus, the correct option is D.
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Which structure allows the diaphysis of the bone to increase in length until early childhood?.
Answer:
Epiphyseal Plate
Explanation:
What are the possible allele combinations the following parent to give to their offspring?
*Note: distribute
YyRr
Answer:
bb or BB
Explanation:
it depends on what the examiner gives you
28. What is a ribosome? What is the function of a ribosome in a cell?
Answer:
Ribosomes are composed of special proteins and nucleic acids. A ribosome functions as a micro-machine for making proteins.
Explanation:
Hope this helps!!
Answer: a tiny particle present in huge quantities in the cytoplasm of living cells that is made up of RNA and related proteins. They transport RNA and bind messenger RNA to create polypeptides and proteins.
Explanation:
Select the correct answer from each drop-down menu. complete the paragraph based on this food chain: polar bears feed on seals. so, polar bears and seals share a . climate change has caused ice caps to melt in colder regions where polar bears live. this change has made it harder for polar bears to successfully hunt seals. this situation will lead to .
Extinction occurs due to the climate change in the polar regions of the earth.
What is the effect of climate change on polar regions?Climate change causes melting of ice caps in colder regions where polar bears live. This change has made it harder for polar bears to successfully hunt seals. This situation will lead to extinction of polar bears in this location because they can't get their food which leads to their death.
So we can conclude that extinction occurs due to the climate change in the polar regions of the earth.
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Answer:
- prey-predator relationship
- increased biomass in the quaternary level
Explanation:
:)
Tree squirrels can have different fur colors.
Squirrels live in forests where foxes also live. Foxes hunt squirrels for food. Squirrels that have fur the same color as the trees are harder for the foxes to see and catch.
[IMAGE ONE]
The diagram above shows a population of squirrels that lived in a forest. Scientists had previously only seen brown and gray squirrels in this forest; they had never seen squirrels of any other color.
The diagram below shows how the population changed after many generations.
[IMAGE TWO]
How did the color of the trees in the squirrels’ environment change? Explain what happened to the squirrels over many generations.
Answer:
The gray squirrels were easy to see and catch so they died quickly and the population dwindled. The brown squirrels were probably almost the same color as the tree so they were harder to see and catch. The remaining gray squirrels ended up having no other options than to mate with brown squirrels, which probably made appear black squirrels and since the black squirrels population raised, means they are harder to see and be caught by foxes.
How the trees became more black too? I have no idea, sorry.
Explanation:
squirrels: brown, gray
Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
Dragging the terms on the left to the respective blanks to complete the sentences
When two amino acid monomers are positioned so that the carboxyl group of one is adjacent to the amino group of the other, they can be joined through a dehydration reaction. This reaction forms a(n) peptide bond.What are amino acids ?Amino acids are monomers which make up the proteins, while proteins are made up of more than linear chain of amino acids which are known as polypeptide.
Hence we can conclude that the complete sentence is as written above.
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The missing part of the question is missing and I found it online
