two key observations underlying natural selection are that members of a population vary in their ----- and that all species can produce more offspring than the environment can support

Fill in the blank(s) with the appropriate word(s).


inherited traits

Biology & Microbiology

You might also like to view...

Which of the following is in the correct order for one cycle of polymerase chain reaction (PCR)?

A) Denature DNA; add fresh enzyme; anneal primers; add dNTPs; extend primers. B) Add fresh enzyme; denature DNA; anneal primers; add dNTPs; extend primers. C) Anneal primers; denature DNA; extend primers. D) Extend primers; anneal primers; denature DNA. E) Denature DNA; anneal primers; extend primers.

Biology & Microbiology

Down syndrome can be caused by either trisomy 21 or a Robertsonian translocation

a. True b. False Indicate whether the statement is true or false

Biology & Microbiology

What would you predict about a reaction that has a ?G 0?



A. The reaction is spontaneous.
B. The reaction will yield energy.
C. The reaction will require energy.
D. The reaction will require energy and is spontaneous.
E. The reaction will yield energy and is spontaneous.

Biology & Microbiology

All of the following are outward signs of inflammation EXCEPT

A. redness. B. pain. C. swelling. D. lower temperature.

Biology & Microbiology