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kati45 [8]
3 years ago
13

If you found two fossils in two different layers of sedimentary rock stacked on each other, how would you know which is older?

Biology
1 answer:
stira [4]3 years ago
5 0
The lower the fossil the older it is.

So, if two fossils were in different layers of sedimentary rock, the lowest fossil is older.
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The process of cellular respiration, which converts simple sugars such as glucose into CO2 and water, is an example of _____. Se
malfutka [58]

Answer:

The process of cellular respiration, which converts simple sugars such as glucose into CO2 and water, is an example of <u>a catabolic pathway.</u>

Explanation:

Catabolic pathways break down molecules and produce energy.

6 0
3 years ago
Which type of gene therapy results in alteration of the DNA of a gamete or a fertilized ovum?
larisa86 [58]

Answer:

The correct option is: <u>e. Germline gene therapy</u>

Explanation:

The <u>germline gene therapy</u>, GGT is the <u>modification of the germ cells</u>. In this therapy, a functional gene is introduced into the genomes of the gametes. Such a modification of the germ cell results in all the cells of the organisms to get modified. This change can therefore be <u>passed on to the next generations.</u> Many countries such as Canada, Germany and Switzerland, have prohibited the use of the germline gene therapy on humans.

7 0
4 years ago
Flagella may best be described as:
vlada-n [284]

Answer:

The correct answer is number one: <em>Filamentous rotating structures that provide motility may be singular, paired or scattered.</em>

Explanation:

Flagella are organelles defined by function rather than structure.

The primary function is that of locomotion but also being sensitive to chemicals and temperatures outside the cell.

Helicobacter pylori is a good example of flagella: It uses multiple flagella to propel itself through the mucus lining to reach the stomach epithelium.

Sperm cell is a good example, which uses its flagellum to propel itself through the reproductive tract of females.

I hope it helps!

6 0
4 years ago
Read 2 more answers
Several species of leopard frogs are common throughout North America, where their ranges overlap. Different species of leopard f
MrMuchimi

the correct answer is A- Reproductive isolation occurred through behavioral isolation

A process of formation of a new species from an existing species is called speciation. New species may formed due to geographical or reproductive barriers which isolates the members of a population of a species to form a new species.

In the given question, speciation in In the leopard frogs occurred due to a particular or specific call given by males to the females. The courtship call lead to reproductive isolation due to change in behavior. Such type of behavioral change will help in recognizing mates of the same species and this will act as a reproductive barrier among the other related species.


4 0
3 years ago
If glucose is not the energy of the cell, what is? how does glucose relate to this?
mote1985 [20]

Answer:

Adenosine triphoshate(ATP) is the energy currency of the cell.

Explanation:

Glucose is the Stored energy which is formed by the Glycogen. At the time when the energy is required glycogen is converted into glucose while, ATP is the energy which is ready to use. In aerobic conditions, Glucose produces about 30 ATP molecules. ATP molecule consists of HIGH ENERGY PHOSPHATE BONDS which are broken down when energy is required.

<u><em>ADP + inorganic phosphate (pi)</em></u><em>forms</em><u><em> ATP</em></u>

8 0
4 years ago
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