Answer:
Cells that have more than one nucleus are called eukaryotic cells.
The answer is B
Plants that live in hot, dry climates have evolved mechanisms to help conserve limited water supplies. One example is the closing of leaf openings by guard cells during the day to decrease water loss from their leaves. This detection of and response to an environmental stimulus is an example of
Answer:
feedback mechanism
Explanation:
Feedback mechanism: In biology, the term "feedback mechanism" is described as a physiological loop that is responsible for bringing up the body either away or towards the steady or normal state. The feedback mechanism is also denoted as "feedback loop" and is responsible for either inhibiting or amplifying a specific biological pathway. Therefore, these pathways tend to return the body towards "homeostasis".
In the question above, the given statement is an example of a "feedback mechanism".
What is meant by Earth's "Lag Period"?
Answer:
This lag phase is the period when the bacteria are adjusting to the environment. Following the lag phase is the log phase, in which population grows in a logarithmic fashion. As the population grows, the bacteria consume available nutrients and produce waste products.
Explanation:
hope it helps:)
.
Within the chemical bonds of CaCl2, the electrons are what?
A at rest.
B shared.
C transferred.
D Electrons are not involved in this bond.
Answer:
NOT B. OR D. MAY BE C.
Explanation:
hope this helps ya
DNA Relicase and DNA Polymerase are both important molecules that play a role in the process of DNA replication What types of molecules are polymerase and helicase?
A: acids
B: bases
c: enzymes
d: water
Answer:
enzymes
Explanation:
Which is an example of genetic diversity within a rain forest?
A. All of the genes found within an ecosystem
B. DNA of a single three-toed sloth
C. Many variations of a Jaguar spots
D. Wide variety of beetle specie
Answer:
A.All of the genes found within an ecosystem
through which conversations is energy released.
The answer is B : ATP to ADP
Explanation:
100% on quiz
please help asap i put a picture of my questions. please answer as many as you can
Answer:
5. Centrioles
Explanation:
hope im right
Which of the following is a characteristic of all reptiles?
Select one:
a.
lack vertebrae
b.
use gills to breathe
c.
are fully aquatic
d.
are ectothermic
Answer:
D - Are ectothermic; (took the test)
Explanation:
Reptiles are cold-blooded, scaly vertebrates.
Reptiles are the Chordata that belongs to the animal kingdom and are covered with the scaly body. All reptiles are ectothermic or cold-blooded. Thus, option d is correct.
What are the characteristics of reptiles?Reptiles are the vertebrates that have backbones and scaly bodies hence Chordates. The dry skin of the reptiles is covered by scales and bony plates. They have four legs and have intermediate properties between mammals and amphibians.
They breathe through the lungs, and almost all reptiles lay eggs and hence are oviparous. They have cold-blooded metabolisms and hence are ectothermic. They regulate and maintain the internal body temperature according to the external environment.
Therefore, all reptiles are ectothermic (cold-blooded).
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Compare and contrast passive transport, active transport, and osmosis
Answer:
Passive transport moves molecules and ions from a higher concentration to a lower concentration without any energy while active transport does the same thing only it uses energy. Osmosis deals with the net movement of solvent molecules through a membrane with a higher solute concentration. Osmosis and active transport both work together, while osmosis does its own movement the active transport moves the dissolved solutes across a membrane against a concentration gradient.
Active transport and passive transport are almost the same they function the same only one doesn't require energy while the other one does. Hence why active transport and osmosis work well together it's because of the energy that helps transport dissolved solutes.
Hope this helped :)
what could cause a population to reach it's carrying capacity
Answer:
As competition increases and resources become increasingly scarce, populations reach the carrying capacity (K) of their environment, causing their growth rate to slow nearly to zero. This produces an S-shaped curve of population growth known as the logistic curve (right).
Explanation:
hope this helps
Answer:
people having kids with everyone ,
Explanation:
1. As food availability increases, carrying capacity increases in all ecosystems.
2.Animals who feed on the predators of the fish will increase in number.
3.As population density increases, the spread of disease is increased
4.How is disease affected by a population's density?
5.The population has a limited food supply.
6. Natality - birth rate
Mortality - death rate
Immigration - an individual enters the population
Emigration - an individual leaves the population
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The answer is Bread Is Baked, If it's wrong I'm sorry but I'm pretty sure it's bread is baked because the yeast consumed the sugar creating new substances and the reaction can not be reversed.
Which of the four molecules has the highest amount of stored energy? Carbon dioxide water oxygen glucose
Answer:
Glucose
Explanation:
Glucose has the highest amount of stored energy that the others because glucose posses more chemical bonds which can undergo rearrangement as a result of chemical reactions. When the bonds are rearranged there is release of energy meaning that the bonds in glucose consist of stored energy. Water, carbondioxide and oxygen does not have much chemical bonds compared to glucose, hence they don't have stored chemical energy.
How did early land animals differ from those common today?
Answer:
Early land animals had both lungs AND gills, and their bodies consisted of few hard parts. Meaning they lacked things like an exoskeleton for instance. Animals today have either lungs OR gills and many have protecting hard parts of their bodies.
Explanation:
the atom below has an incomplete valence shell
Answer:
No it actually doesn't
Explanation:
You can thank later
When using a light microscope, focus the specimen with the scanning objective lens first.
Answer:
Explanation:
PLACE THE SLIDE ON THE MICROSCOPE STAGE SUCH THAT THE PORTION OF THE SLIDE YOU WANT TO VIEW IS UNDER THE OBJECTIVE. 5. FOCUS ON SPECIMEN, FIRST USING THE COARSE AND THEN THE FINE FOCUS CONTROLS. YOU MAY HAVE TO MOVE THE SLIDE AROUND ON THE STAGE OF THE MICROSCOPE TO BRING THE SPECIMEN INTO THE VIEWING AREA.
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First, we have to place the slide on the microscope. There are different types of microscope such as simple microscope, compound microscope.
What is a light microscope?Light microscope is a biological instrument which uses visible light to see the objects. Light microscope works on the principal of reflection and refraction. It is composed of objective lens and eyepiece lens.
Steps for using light microscope:
Place the slide on the microscope.Focus the specimen, first using the coarse and then the fine focus controlMove the slide around on the stage of microscope.Applications of light microscope:
It is used for determining the morphologies of living cells.It helps in studying structure of locomotion.Therefore, First we have to place the slide on the microscope. There are different types of microscope such as simple microscope, compound microscope.
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The organism shown is_________ , and it is a ___________.
A.Multicellular A.Bacteria
B.Unicellular B.Fungi
C.Plant
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C I think I hope my answer helps
Which statement describes carrying capacity as it relates to a group of prairie
dogs?
A. The amount of food and water available for prairie dogs in an area
B. The amount of space available for prairie dogs to live in an area
C. The maximum number of prairie dogs that an area can support
D. The maximum number of predators that can live in an area without
killing off all the prairie dogs
Answer: Option C
I hoped that helped!
The maximum number of prairie dogs that an area can support.
What affects wearing capability?Wearing potential, or the wide variety of individuals that an environment can sustain over time without destroying or degrading the environment is determined via some key elements: meal availability, water, and area.
How do you degree the carrying ability of a habitat?Wearing ability may be anticipated via calculating the total vicinity and an overall populace of that place.
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Do you think an organism can survive alone in nature. justify your view.
Answer:
no it cannot live alone because nature depends on everyone
Use the picture below to help you answer the question.
Which container holds a gas?
Question 24 options:
(A)
(B)
(C)
D.None of the above.
Answer:
A
Explanation:
Because the particles are quite away and look alike as gas diagram
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Mendel's work formed the foundation of genetics, the scientific study of heredity
True
or
False
Biology, for G₁ and G₂, what does the G stand for?
Explanation:
Interphase is composed of G1 phase (cell growth), followed by S phase (DNA synthesis), followed by G2 phase (cell growth).
What type of stress is happening at the San Andres Fault ?
Answer:
Shear stress (strike slip fault)
Explanation:
2. The nucleus of an atom contains
1 point
O protons and neutrons
protons and electrons
O neutrons and electrons
O protons, neutrons, and electrons
cell body-__________ of the neuron
Answer:
soma
Explanation:
1. Which of the following is a chemical change?
dissolving salt in water
melting ice
combining amino acids to form a protein
O water moving through a plant by capillary action
Answer:
combining amino acids to form a protein
Explanation:
It is a chemical change because you are creating a new substance
what is the cleanest in a school meaning less bacteria?
The cleanest in a school is the sinks. Or the bottles of Hand Sanitizer.
Number of Amino Acid Differences between Species
Species 1 Species 2 Species 3 Species 4
Species 1 0
74
7
65
Species 2 74
0
29
13
Species 37
29
81
Species 4 65
13
81
O
WHICH TWO SPECIES ARE LEAST CLOSELY RELATED?
a
Species 1 & 2
Species 1&3
Species 2 & 3
Species 3 & 4
Answer:
table below shows the number of differences in the sequences between each pair of species. THE NUMBER OF AMINO ACID DIFFERENCES IN CYTOCHROME . c AMONG FIVE SPECIES E. ferus D. polylepis G. gallus A. forsteri E. africanus E. ferus 0 21 11 13 1 D. polylepis 0 18 17 20 G. gallus 0 3 10 A. forsteri 0 12 E. africanus 0
Predators Contribute to a Stable Ecosystem
In nature, energy flows in only one direction. Transfer of energy must occur in an ecosystem
because all life needs energy to live, and only certain organisms can change solar energy into
chemical energy. Producers are caten by consumers that are, in turn, caten by other consumers,
Stable ecosystems must contain predators to help control the populations of consumers. Since
ecosystems contain many predators, exterminating predators would require a massive effort that
would wipe out predatory species from barnacles to blue whales. Without the population control
provided by predators, some organisms would soon overpopulate,
Explain the phrase "only certain organisms can change solar energy into chemical energy," in the
underlined portion of the first paragraph. In your answer be sure to identify:
1)the type of nutrition carried out by these organisms
2)the process being carried out in this type of nutrition
3)the organelles present in the cells of these organisms that are directly involved in changing solar
energy into chemical energy
The phrase "only certain organisms can change solar energy into chemical energy," is about the plants which means producer organisms.
What is an example food chain?An example of this type of process is: plants generate their own food and are part of the feeding of insects, which are consumed by frogs. They serve as food for snakes, a source of nutrition for birds, which are consumed by decomposers.
Organisms of this level are classified as autotrophs, that is, they are living beings capable of producing their own food, not being necessary to feed on another living being. Plants and algae are organisms classified as producers.
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DNA structure diagram
Here is a diagram of DNA structure
It can go 5' to 3'(Parallel) or 3' to 5'(Anti-Parallel)
