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ira [324]
4 years ago
10

What mechanism did darwin propose to supply the changes needed for evolution

Biology
1 answer:
IRISSAK [1]4 years ago
3 0

Each organ of the body produces pangenes which travel through the blood to the reproduction organs to be given to offspring. This is of course false as proven by scientists.

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Which statement regarding the relative ages of rocks and events is
taurus [48]

Answer:

C. Faults are younger than the youngest layer they cut through.

Explanation:    

<em> A. Intrusive rock is older than the surrounding rock layers. </em>WRONG. The intrusive rocks are those that solidify underground and always form after the ones around them. So they are younger than the surrounding rocks.

<em>B. A fold is older than the oldest rock layer it contains. </em>WRONG. First, layers are set, and then, it occurs the folding. The folding is always younger than the involved layers.  

<em>C. Faults are younger than the youngest layer they cut through.</em> RIGHT. A fault is a cut through different layers that occurs when the sedimentary rock breaks transversally. It occurs always after the sedimentary rock is already formed. So the fault is always younger than all the layers it cuts through.

D. Rock layers that have been overturned are oldest from the base to the surface. WRONG. If <u>overturned</u>, according to the superposition low, layers are oldest from the surface to the base. Superposition law states that during the sedimentary rock formation, the oldest layer is always that one at the bottom, while the younger layer is the higher one.

4 0
3 years ago
What would be the chloroplast in an amusment park?
vladimir2022 [97]

Answer:

Chloroplasts are the site of photosynthesis in the cell and it also consists of a double membrane. it relates to the solar panels of an amusement park because both things take energy from the sun and use it to provide energy for their systems.

7 0
2 years ago
Read 2 more answers
58:22
mel-nik [20]

Answer:

The correct option is D: Faults form because crust gets cracked when plates move apart along divergent plate boundaries.

Explanation:

Options A and B are incorrect because even though tectonic plates are constantly moving and crashing against each other at convergent plate boundaries, it is not responsible for causing an earthquake. Option C is also incorrect in the context of the question statement merely colliding does not result in an earthquake.

Hope that answers the question, have a great day!

(also, please remember to give 'brainliest' if you found this answer helpful :)

6 0
3 years ago
Read 2 more answers
The result of the following cross indicates the orange eyes are _____ black eyes. Two aliens of the P generation are crossed. Bo
Dima020 [189]

Answer:

<h2>Recessive to </h2>

Explanation:

1. As given here, both parents are black, and their 247 progeny out of 333 are black, it  clearly indicates that 3/4 progeny is parental phenotype and 1/4 is different type.

2. This clearly show that both parents are heretogyzous, one allele is dominant and one is recessive.

3. Here black is dominant over blue.

4. Dominant allele express them-self in dominant homogyzous as well as heterogyzous condition.

5 0
3 years ago
Does mitosis produce identical or nonidentical cells?
olasank [31]
Before mitosis can begin, the DNA within the parent cells must be duplicated so that each daughter cell receives the exact same genetic information.  For this reason, cells produced during mitosis are identical. <span />
4 0
4 years ago
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