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soldier1979 [14.2K]
2 years ago
9

Tissues are made of specialized cells that work together. Which two kinds of

Biology
2 answers:
Mama L [17]2 years ago
6 0
The correct answer is C and D, which are plant cells.
RUDIKE [14]2 years ago
4 0

im on this exam and it is C and D

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The stomata you view on the surface of the leaves are used in gas exchange and the guard cells regulate this exchange. What do y
beks73 [17]

Answer:

They will collapse and shut off the stomatal pore

Explanation:

The guard cells are regulated by the presence of water. When water is present, they become turgid and open up the stomatal pore and when water is inadequate, they become flaccid, collapse and close up the stomatal pore as a result.

<em>If the leaf is left under the microscope for too long, there will be loss of water by evapotranspiration and the guard cell will become flaccid and collapse as a result and the stomatal pore will become closed.</em>

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3 years ago
Can the number of isotopes tell you the absolute age of a fossil? or does it tell you relative age?
ArbitrLikvidat [17]
I'm pretty sure it tells you relative age

6 0
3 years ago
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Which of the following is a factor that determines the rate of impulse propagation, or conduction velocity, along an axon?a) len
Alexxx [7]

Answer:

c) degree of myelination of the axon

Explanation:

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Different types of neurons will have different speed of propagation because of their different properties and because different types of information are sent.

6 0
3 years ago
Prokaryotes are structurally simple creatures that have existed for over a billion years. Which of the following are prokaryotes
GrogVix [38]

Answer:

Bacteria

Explanation:

Jus took tha test

4 0
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Why do classification systems change over time?
frutty [35]
<span>Classification systems change over time for a variety of reasons, but the basic gist of the matter is that as we learn more about the natural world around us, these systems change to fit in with and around the new information. Whilst it is worth learning the current system of classification, it is also important to remember that this could always change at any time.</span>
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