Question

MEDAL N FAN

Answer 1

Which of the following could cause a decline in genetic diversity in a population?
Adding individuals to a population.
Increasing a population's territory.
Removing an individual from a population.
Decreasing competition.

Answer 2

@ganeshie8

Answer 3

@watermelon14

Answer 4

D. Decreasing competition.

Answer 5

Temperature is considered a(n) _______ limiting factor.
biotic
abiotic
abiotic and biotic
natural
Question 30 (Multiple Choice Worth 2 points)
Energy is transferred when
species change
species adapt
species eat
populations evolve

Answer 6

A. Biotic
I believe the second one is C. Species eat.

Answer 7

You would expect to find ________ in an ecosystem.
only abiotic factors
only biotic factors
biotic and abiotic factors
all the exotic factors
Question 33 (Multiple Choice Worth 2 points)
Sexual reproduction is the reproductive process that
keeps species from changing.
produces identical offspring.
causes mutations.
creates genetic variety.

Answer 8

C. Biotic and abiotic factors.
D. Creates genetic variety.

Answer 9

According to Darwin, organisms with traits that are best suited for the environment will
not pass those traits on to future generations.
die before they are able to mate.
pass those traits on to future generations.
not be able to have offspring.
Question 39 (Multiple Choice Worth 2 points)
When limiting factors increase, diversity in populations often
improves.
ceases to exist.
decreases.
becomes larger.
Question 40 (Multiple Choice Worth 2 points)
Community One is made up of 500 different species and has a total number of 5000 individuals. Community Two is made up of 100 different species and has a total number of 10,000 individuals. Which community has higher species diversity?
Community One
Community Two
They both have the same species diversity
There is not enough information to determine species diversity

Answer 10

C. Pass those traits onto future generations.
C. Decreases.
A. Community One.

Answer 11

In order for natural selection to take place we must have
clones.
competition for resources.
genetic engineering.
asexual reproduction.
Question 43 (Multiple Choice Worth 2 points)
Commensalism is when one organism ________ and the other is ___________.
benefits; harmed
benefits; unaffected
benefits; helped
benefits; enhanced
Question 44 (Multiple Choice Worth 2 points)
A population with low genetic diversity would
look very different from individual to individual.
look very similar from individual to individual.
not be able to reproduce.
have many individuals.

Answer 12

D. Asexual reproduction.
A. Benefits; harmed.
B. Look very similar from individual to individual.

Answer 13

A tapeworm weakens its host to the point of death. Their relationship is an example of
competition.
parasitism.
mutualism.
commensalism

Species diversity is defined as
the number of habitats on a continent.
the number of species that live in a given area.
the number of individuals in a population.
how different one individual is from the rest of the population.

Answer 14

those r the last ones

Answer 15

B. Parasitism.
B. The number of species that live in a given area.

Answer 16

did you get them all correct?

Answer 17

most of them thank you

Answer 18

aww I'm sorry. But hey, no problem. I like to help :)