BIOLOGY HIGH SCHOOL

Do you think evolution is still taking place in the Galapagos finches? Why or why not

Answers

Answer 1
Answer: No, because they have already evolved into many sub species that fit each of the habitats and lifestyles in the Galapagos islands.

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HIGH SCHOOL

Which is the best example of organisms that have been naturally selected? A.Dark-colored peppered moths on soot-covered tree bark during the Industrial
Revolution in England.
B.Light-colored peppered moths on soot-covered tree bark during the Industrial
Revolution in England.
C.Both light-colored and dark-colored peppered moths on light-colored tree bark
before the Industrial Revolution in England.
D.Neither dark-colored nor light-colored peppered moths on light-colored tree
bark before the Industrial Revolution in England.

Answers

The best answer here is A
Hope this helps

Answer:

A is not the answer it is C.Both light-colored and dark-colored peppered moths on light-colored tree bark

before the Industrial Revolution in England. because i just tryed A and it did not work

Explanation:

HIGH SCHOOL

Explain why the populations of great apes in africa are declining

Answers

Answer: Due to deforestation

Explanation:

  • The population of great apes is declining in Africa because each year around 13,000 square kilometres of forest is being cleared for the purpose of agriculture and human settlement.
  • Deforestation at such a rate is destroying the native habitat of great apes and may lead to their extinction in the next 20 years.


They're populations are probably declining because their homes are being destroyed.
MIDDLE SCHOOL

Explain how it is possible that applying antibiotics can lead to a population that becomes more resistant to antibiotics than they were
initially, even when individual bacterium traits are not changing and the trait variations that an offspring
inherits are identical to those of its parent?!

Answers

Answer:

i believe its along the lines of that once you use it so many times, your body starts to become immune to it, and offspring will most likely will be to because the parents give offspring some of their cells...?

hope that helps some

:)

MIDDLE SCHOOL

What type of cell reproduction has gametes?

Answers

Answer:

The correct answer is: reproductive cells produce gametes through meiosis.

Explanation:

Unlike somatic cells, gametes are haploid- this means they have only one set of chromosomes, 23 in total-, while somatic cells are diploid (have 2 sets of chromosomes, 46 in total).

The reason behind this difference is that each gamete has the function to join a gamete of the opposite gender in order to produce a zygote (a new human being). Therefore, each parent will provide 1 set of chromosomes.

In order to reach haploidy, reproductive cells must undergo meiosis: a type of cell division in which the homologous pair of every chromosome is separated and directed to one of the four daughter cells. This way, meiosis will produce 4 gametes out of 1 reproductive cell.

Meiosis have gametes
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