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erma4kov [3.2K]
3 years ago
14

Describe the relationship between cells and organisms

Biology
1 answer:
Elden [556K]3 years ago
7 0
Cells are the basic unit of structure and function in organisms.
Needless to say, organisms can’t be a thing if cells didn’t exist.
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Describe one way to correlate similar rock layers
Verdich [7]

These fossils are very useful for us because we can use them to date the layers of rock that they are found in. Fossils that can be used in this way are called index fossils, and rock layers with the same index fossils in them can be correlated.     Not my answer, link here for full

http://peter-mulroy.squarespace.com/correlating-rock-layers/

8 0
3 years ago
1. Which of these describes the role of DNA in a cell? *
kondaur [170]

Answer:

c. DNA provides the information to make proteins for the cell.

3 0
3 years ago
What materials makes up a cell membrane?<br>​
dangina [55]

The material that makes up the membrane cell is the phospholipids, cholesterol, proteins, and carbohydrates.

5 0
3 years ago
He light colored rock pocket mice in New Mexico blend in with the sandy soil of the area, but on darker lava flow, the light col
fiasKO [112]

<u>Answer</u>: option B they have a random gene mutation that affects their fur colour.

<u>Explanation</u> :-

  • <em>Variation</em> is the phenomena which occurs in all populations.
  • These variations result in slight differences in the phenotypes of individuals .
  • These variations only arise due to <em>random mutations </em>that arise in the individuals’ genome and then can be inherited by their offspring.
  • There is always a probability of one particular trait to make the individuals survive better in the environment as compared to other trait.
  • The individuals having the trait that helps them to survive better in the environment tend to survive more and leave more progeny. This is termed as <em>survival of the fittest</em>.
  • Thus, according to the question it can be inferred that the dark fur colour arose due to a <em>random mutation </em>since it is the only source of variation. Since, in the given environmental conditions the mice having the dark fur colour were less susceptible to the predators they are better fitted to survive.
  • The dark brown fur coat mice, survive better, leave more progeny and hence, increase their population with time. However, the orginal source of origin of this trait was a random mutation. Had this mutation not occured, the dark coloured fur mice would not have been there.

So, a <em>random gene mutation affecting the fur colour made the dark coloured mice first appear in the population.</em>

6 0
3 years ago
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what cycle do the light independed reaction use to tuen carbon dioxude into glucose, A. Calvin cycle, B. Krebs cycle, C. Gylcoly
puteri [66]

Answer:

Calvin cycle

Explanation:

That takes place in the chloroplast of the plant cell in the absence of light.

6 0
3 years ago
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