At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
Chordates
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are;
Postanal tailNotochordhollow nerve cordPharyngeal slitsHence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
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What would be the finite rate of increase for a population that has leveled off at its carrying capacity(K)? (Hint: if we assume carrying capacity is 149 and the population is at carrying capacity from T9-T12, calculate the finite rate of increase).
For a finite rate of increase for a population that has leveled off at its carrying capacity the finite rate of increase will be zero (zero), Because all of the available resources have been used.
What is Population?Generally, a population is the total number of people who live in the same area. The population of a city is the number of people who live there.
In conclusion, After population has reached its carrying capacity, the finite rate of increase will be zero (zero). Because all of the available resources have been used, the ecosystem will not allow for growth.
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one of the following parts of cell is common to all type of cells.
A. Cell Wall
B. Large vacuole
C. Small Vacuole
D. Chloroplast
Remnants of osteons, which have been almost completely recycled by osteoclasts, are known as __________
Answer:
Lamellae
Explanation:
These lamellae are remnants of osteons whose matrix components have been almost completely recycles by osteoclasts. growth of the bone.
Compare the costs and benefits of living in a group of animals.
What is the reaction catalyzed by aminoacyl-trna synthetases that is essential for translation?.
The Rec8 protein holds sister chromatids together during meiosis. If an individual has a mutation that prevents degradation of Rec8, this would most likely prevent
If an individual has a mutation that prevents degradation of Rec8, then this would most likely prevent correct segregation during meiosis II.
What is disjunction?In genetics, the term disjunction make reference to the separation of homo-logous chromosomes during meiosis.
Non-disjunction leads to the generation of unbalanced gametes with more chromosomes than normal.
Rec8 is a protein involved in the separation (disjunction) of the homo-logous chromosomes during cell division.
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Which of the following is NOT a true statement about organs?
A) An organ represents a higher level of structure than the tissues composing it.
B) An organ consists of several tissues.
C) An organ can carry out only the functions of its component tissues.
D) An organ consists of many cells.
HELP PLEASE
Gregor Mendel finished his pea plant experiments in 1863 and published his results in 1866. However, few scientists saw Mendel’s paper for three decades. Even after all that time, Mendel’s discoveries revolutionized the field of genetics. What did Mendel discover about the principles of heredity? Choose the two statements that apply.
A. Individuals get one factor for a trait from each parent.
B. Genetic material is genes on DNA.
C. A dominant factor can hide the expression of a recessive factor when both are present.
D. Mothers contribute factors for some traits while fathers contribute factors for others.
I think that the answer here would be A and C.
Answer:
I agree. A and C would be the correct answer!
the base of this soild crate has an area of 6 squads meters the height of the crate is 4 meters what is the volume of the crate
Answer:
As Per Provided Information
Base area of crate 6 m²Height of the crate h is 4 mWe have been asked to determine the volume of the crate .
Formula used to calculate the volume of crate is
[tex] \boxed{\bf \: Volume_{(Crate)} = Base \: Area \times Height}[/tex]
On substituting the given value in above formula and we obtain.
[tex] \qquad\longrightarrow\sf \: Volume_{(Crate)} \: = 6 \times 4 \\ \\ \\ \qquad\longrightarrow\sf \: Volume_{(Crate)} \: = 24 \: {m}^{3} [/tex]
Therefore,
Volume of the crate is 24 m³.Animal cells are considered eukaryotic and bacteria cells prokaryotic. This is because:.
Answer: This is because animals (like humans) have more organelles to store in our bodies than bacteria. This makes sense because without all of our organelles we wouldn't be able to function properly. This is just another one of those form=function things.
-AnaMae10
Answer:
eukarytic cells have a cell wall and prokaryotic have just a membrane also they do not have a true nucleus.
Explanation:
Characteristics of animal cells include which of the following? Select all that apply.
no cell wall, only plasma membrane
large hypertonic vacuole
no chlorophyll or chloroplasts
cleavage furrow
cell plate in cell division
Answer:
No cell wall only plasma membrane.
Explanation:
The cells of animals lack wall and chlorophyll
Answer:
no cell wall, only plasma membrane
no chlorophyll or chloroplasts
cleavage furrow
Explanation:
Everything else are characteristics of plants cells.
Why is saturated fat found in so many animal products?.
prokaryotic cells have nulcleus
Answer:
not nucleus, only nucleoid
Answer:
Prokaryotic cells are surrounded by a plasma membrane, but they have no internal membrane-bound organelles within their cytoplasm. The absence of a nucleus and other membrane-bound organelles differentiates prokaryotes from another class of organisms called eukaryotes.
Explanation:
hope it helps, God bless!
‘A’ is formed by the interdependence between two organisms ‘B ‘and ‘C’ for mutual benefit. This relationship is also referred to as ‘D’. ‘A’ is also a pollution indicator. Identify A, B, C and D.
When a person becomes infected with the influenza virus, cell-mediated immunity is activated. Why would the influenza virus initiate cell-mediated immunity? Describe the process of cell-mediated immunity as it would attack the influenza virus.
Cell-mediated immunity involves the activation of different specialized cells present in the immune system.
What is cell-mediated immunity?Cell-mediated immunity is a type of adaptive immune response that involves the activation of different specialized cells present in the immune system.
These cells include, among others, phagocytes (macrophages), cytotoxic T-lymphocytes, etc.
Cell-mediated immunity also involves the release of chemical messengers such as cytokines that activate immune responses (e.g. inflammation).
These immune responses act in a concerted mode to recognize and attack antigens present in the flu virus.
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What process describes how pollen is produced and moved during plant reproduction?
Which answer?
After pollen is produced by the pistil, it is moved down the stamen and received by the ovule.
The ovule receives the pollen produced by the stamen and sends it to the pistil.
The stigma receives pollen produced by the stamen and sends it down the pistil to the ovule.
The pistil produces pollen and sends it up to stigma for the ovule to receive.
Answer: I don't know
Explanation:
i'm not smart
Please help i don’t understand this question for my biology class
Answer:
I believe it is receptors
Facilitated diffusion is a type of passive transport, which does not require energy.
What happens during facilitated diffusion?
Answer:
I believe is the correct answer
c
Explanation:
c
Consumption of which prey makes the elf owl a tertiary consumer? select all that apply.
Consumption of the praying mantis prey makes the elf owl a tertiary consumer in a particular food web.
What is a consumer?In a food web, a consumer is a heterotrophic organism that needs to eat other organisms to survive.
Plants and algae are producers because they generate their own food to survive.
A tertiary consumer is located at the fourth trophic level in the food web (after secondary consumers).
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What are some ways that scientists and engineers are using our understanding of DNA?
Parrotfish live in the ocean and eat plantlike organisms called algae. Sunlight is shining
on the fish and the algae.
is carbon moving into the living things, moving out of the living things, or both?
Carbon is moving into and out of the living things, at the same time.
Carbon is only moving into the living things; it is not moving out of them.
Carbon is only moving out of the living things, it is not moving into them.
There is no way to know for sure, with this information.
Answer:
Carbon is moving into the living things, but not out. While algae conducts photosynthesis (which produces oxygen), it does not create carbon since oxygen has no carbon molecules. Since all living things are made of carbon (which the fish is consuming), and the plant also absorbs the carbon of in the ocean to assist in photosynthesis, both are consuming carbon.
Explanation:
What is the difference between a bacterial chromosome and a plasmid?.
Crude oil is separated into different compounds at an oil ___?
[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]
Crude oil is separated into different compounds at an Oil refinery.
The process by which crude oil is separated into different compounds is known as Fractional distillation.
And many useful products are formed ~ like petrol, gasoline, deasel, etc
true breeding parents ______ trait variant(s) to there offspring A might only pass 1 B will pass 2 C can only pass one D will not pass
True breeding parents might only pass one (1) trait variant to their offspring (Option A).
What is true breeding?A true-breeding can be defined as a special type of mating where parents produce offspring that have the same phenotype.
True breeding occurs when parental lines having a given phenotype generate descendence with this same phenotype.
These parents need to be homo-zygous, i.e., they need to have the same gene variant or allele, for the trait to be inherited.
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Answer:
True breeding parents can only pass one trait variant(s) to their offspring.
the answer is C.
Explanation:
Have a nice day! (did it on my test n got it correct)
In a fish, blood circulates through __________, whereas in a mammal, it circulates through __________.
Answer:
fish: blood flows unidirectionally from the two-chambered heart through the gills and then the rest of the body.
mammal: Blood is pumped from veins of the systemic circuit into the right atrium of the heart, then into the right ventricle. Blood then enters the pulmonary circuit, and is oxygenated by the lungs. From the pulmonary circuit, blood re-enters the heart through the left atrium.
Please Help! This is due in 5 minutes!
Whose work showed that the fossils in caves were, in fact, a result of accumulation over time rather than the result of one cataclysmic event?
A. Gideon Mantell
B. William Buckland
C. Charles Lyell
D. Richard Owen
Answer:
C. Charles Lyell
Explanation:
Lyell argued that the formation of Earth's crust took place through countless small changes occurring over vast periods of time, all according to known natural laws.
Characteristics of plant cells include which of the following? Select all that apply.
cell plate in cell division
cleavage furrow
large hypertonic vacuole
no chlorophyll or chloroplasts
no cell wall, only plasma membrane
Answer:
large hypertonic vacuole
cell plate in cell divison
Explanation:
All other options are for animal cells.
Answer: select the 1st and 3rd
Explanation:
Plant cells divide in two by constructing a new cell wall (a plate) A plant cell has 1 large vacuole while an animal cell has more than 1 vacuole which is smaller compared to the vacuoles of a plant cell.
Which is TRUE about skeletal
muscles?
A. They are not striated.
B. They are found in the heart.
C. They tire quickly.
D. They are involuntary.
Protostomes that have bilateral symmetry and three embryonic germ layers, but that do not possess a coelom or pseudocoelom, are called
Flatworms are free-living or parasitic animals, with bilateral symmetry, triblastic and with no coelom. The correct answer is FLATWORMS.
What are the flatworms?These are animals of variable size, going from a few millimeters to centimeters.
Flatworms are bilateral, acoelomated, and triblastic animals. The fact of being acoelomate means that they lack an internal cavity. Their whole body is solid, having mesenchyme where different organs are located.
Sense organs are located in the anterior part of the body.
These animals are hermaphrodites, exhibiting cross reproduction and eventually autofecundation.
They might be free-living animals or parasitic.
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True or False water particles are not actually water molecules
True or false
True because the water molecules are only present in condensation processes and within droplets of water.
