Eleanor Said:

WORKSHEET PLEASE HELP!!! I DONt REMEMBER THIS STUFF?

We Answered:

Must be an Environmental course!



When populations have very similar traits, they have



low genetic diversity.




Question 24 (Multiple Choice Worth 2 points)

We know, through fossil evidence, that biological diversity has _______ over time.

increased



Question 25 (Multiple Choice Worth 2 points)

Organisms with favorable traits will



pass those traits on to future generations.



Question 26 (Multiple Choice Worth 2 points)

Natural selection would not take place if species did not



reproduce asexually




Question 27 (Multiple Choice Worth 2 points)

________ are organisms that are able to convert the sun's energy into usable energy.



Producers



Question 28 (Multiple Choice Worth 2 points)

Parasitism is considered a(n) _________ limited factor.

abiotic


Question 29 (Multiple Choice Worth 2 points)

A relationship between two species, that benefits both, species would be described as what type of relationship

commensalism



Question 30 (Multiple Choice Worth 2 points)

You observe a population of animals that look extremely similar. They have

low diversity.




Question 31 (Multiple Choice Worth 2 points)

Food chains show





predator-prey relationships




Question 32 (Multiple Choice Worth 2 points)

A species of fish follows sharks feeding off their scraps and relying on them for protection. The shark does not benefit and is not harmed. This is an example of


mututalism



Question 33 (Multiple Choice Worth 2 points)

This theory says that populations change slowly over time

the theory of evolution


Question 34 (Multiple Choice Worth 2 points)

An ecosystem includes


biotic and abiotic factors



Question 35 (Multiple Choice Worth 2 points)

A food web shows

the relationship between predators and prey.





Question 36 (Multiple Choice Worth 2 points)

Traits are inherited from parents through



sexual reproduction.

Vickie Said:

science worksheet help?

We Answered:

r u 12 im twelve and im workin on dat decomposers brake down left over and dead stuff and consumers eat stuff and producers make food for themselves

Nicholas Said:

What is biomagnification and *why do we care about it*?

We Answered:

We should care because harmful elements such as mercury will accumulate and become highly concentrated in top predators. For example, the mercury content in fish such as farm raised salmon, swordfish, and tuna tend to become dangerously concentrated and harmful to human when consumed in large quantities.