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erica [24]
2 years ago
6

Which of the following is TRUE about the fossil record? Group of answer choices It is sadly incomplete and lacking in all transi

tional forms. It gives useful information about environments and the ways past organisms lived. Only animals with hard skeletons are preserved. It is best in deep forests where dead organisms have not been disturbed.
Biology
1 answer:
pychu [463]2 years ago
8 0

Answer:

It gives useful information about environments and the ways past organisms lived

Explanation:

A fossil is basically any preserved remains or trace of any organism that once lived in the past. Bones, shells and exoskeletons are examples of fossils that can be studied through Paleontology.  

From fossil studies, we can tell how long these lives existed on earth and how varying plants and animals are related to one another. We can often find out how and the places they lived and their environments as well.  

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Upon examining a sample consisting of 100 cells, you find the following distribution of cell phases. If you know that the cell c
Firdavs [7]

Answer:

the time that cell spend in prophase is 30 minutes

Explanation:

The computation is shown below:

= Number of cell ÷ sample

= 25 ÷ 100

= 1 ÷ 4

Now it takes two hours

So,

= 1 ÷ 4 × 2 hours

= 0.5

This 0.5 represent the 30 minutes

Hence, the time that cell spend in prophase is 30 minutes

6 0
3 years ago
What is the chemical reaction that lactase catalyzes?
Snezhnost [94]

Answer:

galactose and glucose

Explanation:

Lactase catalyzes the hydrolysis of the glycosidic bond in the disaccharide lactose, releasing galactose and glucose hope this worked :)

3 0
3 years ago
True or false:<br> the endocrine system functions by spending chemical signals
never [62]

False is your answer

7 0
2 years ago
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Differentiate among somatic cells, gametes, and zygotes with regard to the number and origin of their chromosomes.
andrew-mc [135]

Answer:

Somatic cells are the ones obtained by mitosis. They constitute the body tissues and have a variety of different functions. They are <em>diploid</em>, which means they have two copies of each chromosome (2n), one obtained from the father and one from the mother.

Gametes are obtained by meiosis. A diploid cell divides to form four <em>haploid </em>gametes, they have a single copy of each chromosome (n), obtained from the parent cell.

Zygotes are obtained by the fusion of two gametes, one from the father and one from the mother, they are <em>diploid </em>again having two copies of each chromosome.

7 0
3 years ago
Match each transport mechanism with a suitable analogy. 1. a dog being dragged into a bathtub against its will passive diffusion
Kamila [148]
A dog being dragged into a bathtub against its will = Active Transport (Draggin requires energy) a child eating a doughnut. (Phagocytosis) a dog pulled on a wagon through a spring loaded door. = (Facilitated Diffusion you need something to move the dog with) a woman drinking tea = Pinocytosis (Because its liquid) a crowded roomful of people gradually standing up, wandering around, and leaving the room = Passive Diffusion (Occurs over time until concentration gradients are balanced) As an aside these are the worst analogies i've ever seen for any of the processes
7 0
2 years ago
Read 2 more answers
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