2nd Trimester Benchmark Review (Part 1)
This is the first part of your benchmark review for 2nd trimester
- 1.Which of the following are examples of asexual reproduction?
- A.
Humans
- B.
Flatworm
- C.
Cheetahs
- D.
Rabbits
- 2.What is the difference between sexual reproduction and asexual reproduction?
- A.
Asexual reproduction is the division of one body cell, sexual reproduction is the division of a sex cell.
- B.
Asexual reproduction joins two body cells, sexual reproduction joins two body cells also
- C.
Asexual reproduction divides sex cells, sexual reproduction does not
- D.
Asexual reproduction is one organism reproducing, sexual reproduction is the joining of two sex cells
- 3.In sexual reproduction, the joining of two sex cells, a sperm and an egg, is called
- A.
Fertilization
- B.
Ovulation
- C.
Menstruation
- D.
Cell division
- 4.In order for an organism to survive and evolve, if there is a changing environment, it is most likely to survive if
- A.
It can blend in with its surroundings
- B.
It doesn't have many predators
- C.
It has good characteristics and adaptations that help it survive
- D.
It doesn't reproduce
- 5.If a group of organisms were all very genetically similar, would they be more likely to become extinct than if they had a lot of genetic variation?
- A.
No, because their similar genes would help them survive
- B.
No, because they might have good adaptations
- C.
Yes, because if they all have the same genes, they wouldn't have any different adaptations that would help in a changing environment or if there was a sickness
- D.
Yes, their adaptations would help them survive.
- 6.What happens when a population squirrels becomes geographically isolated from another group of squirrels?
- A.
They become genetically different from each other and develop into new species
- B.
They might have different predators
- C.
They might eat different foods
- D.
The climates they live in might be different
- 7.In order for natural selection to happen within a group of organisms, what must be present?
- A.
A lot of dominant traits
- B.
A lot of recessive traits
- C.
Genetic variation
- D.
Different climates
- 8.The genetic differences in offspring are by
- A.
Natural selection
- B.
Random
- C.
Menstruation
- D.
Fertilization
- 9.If an organism does not have good adaptations, will it be likely to survive and reproduce?
- A.
Yes, it will pass on its dominant traits
- B.
No, it will pass on its recessive traits
- C.
No, it will not have many offspring that can survive, because it did not pass on good adaptations.
- D.
Yes, most of its offspring will survive because its random
- 10.Darwin's theory was that evolution is more likely to take place when
- A.
There are a lot of offspring
- B.
The environment changes and only some of the species survive
- C.
There is not a lot of offspring
- D.
There are mass extinctions.
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