BIOLOGY HIGH SCHOOL

Which describes a grizzly bear’s habitat? all the biotic factors in the ecosystem all the abiotic factors in the ecosystem the role of the bear in the ecosystem the physical area where the bear lives

Answers

Answer 1
Answer:

A grizzly bear’s habitat comprises of the physical area where the bear lives

What is a habitat?

A habitat is defined as the dwelling home of living organisms.

There are three major types of habitat; namely:

  1. Terrestrial habitat
  2. Aquatic habitat
  3. Arboreal habitat

  • Terrestrial habitat is the land habitat
  • Aquatic habitat is the water habitat
  • Arboreal habitat is the tree habitat

Learn more about habitat:

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Which source of genetic variation is represented in the model?A. Formation of the zygote after fertilization
B. Crossing over during prophase I of meiosis
C. Replication of chromosomes during interphase
D. Independent assortment during metaphase I of meiosis
SUBMIT

Answers

The answer would be B.

Which is least likely to be impacted by runoff from a factory

Answers

Factory runoff has a great impact to the environment especially if runoff is situated near river and water areas. Spilled chemicals in a runoff can cause algal bloom that kills aquatic animals by depleting water in oxygen. By polluting the waterways, pathogens may thrive and can harm not only animals but also humans. Those pathogens can be transferred to the local water supply and can be consumed by the residents.

Answer:

Factory runoff has a great impact to the environment especially if runoff is situated near river and water areas. Spilled chemicals in a runoff can cause algal bloom that kills aquatic animals by depleting water in oxygen. By polluting the waterways, pathogens may thrive and can harm not only animals but also humans. Those pathogens can be transferred to the local water supply and can be consumed by the residents.

Which STD can be spread by skin-to-skin contact? (1 point)genital warts
AIDS
hepatitis B
gonorrhea

Answers

sexually transmitted diseases quiz answers:

1. D

2. false

3. B

4. A

5. B

6. C

7. false

8. C
Genital Warts / HPV can be spread by skin-to-skin contact

DNA replication occurs at an unbelievably fast rate. Once replication is complete, we can expect to find a _____ number of mistakes. DNA replication occurs at an unbelievably fast rate. Once replication is complete, we can expect to find a _____ number of mistakes. small average larg

Answers

Answer:

small

Explanation:

The overall error rate of DNA polymerase during replication is 10-8 errors per base pair. Repair enzymes fix 99% of these lesions for an overall error rate of 10-10 per bp. That means one change occurs in every 10 billion base pairs that are replicated.

Final answer:

DNA replication is a highly accurate process, occurring rapidly and with a small number of mistakes, due to the efficiency of the DNA polymerase enzyme and the cell's repair mechanisms. However, any uncorrected mistakes can cause significant consequences, like mutations or even diseases like cancer. This process has been closely studied in prokaryotes such as E. coli.

Explanation:

DNA replication, a critical biological process, typically occurs with a remarkably small number of mistakes, thanks to the accuracy of the DNA polymerase enzyme and other repair mechanisms. This process has been particularly well-studied in prokayotes, like E.

coli, which can replicate its 4.6 million base pairs in about 42 minutes, adding around 1000 nucleotides per second.

However, when mistakes do occur and are not corrected, they can lead to mutations which might have serious consequences, such as cancer, particularly if the repair enzymes themselves are mutated or defective.

Learn more about DNA replication here:

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Which animal uses its skin for respiration? A. pelican B. lion C. toad D. mackerel

Answers


I think it's C. toad
It's definitely a toad they have interesting lungs

According to the theory of _____________, mitochondria in cells today are the descendents of aerobic prokaryotes that used oxygen to generate energy.A) endosymbiosis
B) ingestion
C) mutualism
D) parasitism

Answers

Answer: A. endosymbiosis

The theory of endosymbiosis states that mitochondria in cells are once the descendants of aerobic prokaryotes. These prokaryotes used oxygen in order to generate energy. The mitochondria and the chloroplast are among the most important organelles that support endosymbiosis.

Answer:

A

Explanation:
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