BIOLOGY HIGH SCHOOL

Earthquakes occur along _____.

Answers

Answer 1
Answer: They occur along Fault lines
Answer 2
Answer: Tectonic plates aka faults above the earths mantle in the crust 

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These small motile gametes fertilize ovum

Answers

Gametes are the reproductive cells of an organisms. They are commonly called also as sex cells. The gametes that fertilize ovum are called sperm, which are the male gametes. Female gametes are known as ova or egg cells. The ova mature in female ovaries whereas the sperm develop in the male testes. 
The small motile gametes fertilize ovum is called sperm

The Amish population who migrated from Europe to the United States had very few individuals in their population. Additionally, their gene pool shows very few alleles due to inbreeding. A genetic trait called polydactyly (having six fingers), which is rare in other populations, is common amongst them. What kind of evolutionary effect is exhibited in this example?A. Mutation
B. Natural selection
C. Founder effect

Answers

The Amish have a genetic trait called polydactyly which is rare among other populations of people. This means that a person can 6 fingers, usually an extra thumb. This kind of evolutionary effect that is exhibited in this specific example is called the Founder effect. This happens when there is a small number of colonizing ancestors. 
founder effect since it refers to migrating population

A scientist takes a cell from one cow and an egg from a second cow. The scientist removes the DNA from the egg and replaces it with the DNA from the first cow. The scientist’s goal is to produce a baby cow with DNA that is identical to the first cow.Which best describes this scenario?

genetic engineering
gene therapy
cloning
selective breeding

Answers

Answer:

Cloning I'm pretty sure

Explanation:

Answer:

Cloning

Explanation:

Scientific theories, such as the theory of evolution, must beA- neither testable nor observable
B- testable and observable
C- observable
D- testable

Answers

b observable and testable

all the information necessary for growth, development, and eventual reproduction of sexually reproducing organism is present in ?

Answers

All the information necessary for growth, development, and eventual reproduction of sexually reproducing organism is present in the zygote.

Anaerobic photoautotrophs were the first organisms to release oxygen into the early atmosphere.True
False

Answers

false, they were not Toxic was actually poinsonous to the Anaerobic photoautotrophs. However cyanobacteria (a.k.a pondscum) is believed to be the first bacteria to give off oxygen as a by-product of photosynthetic processes.
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