What process resulted in the loss of heath hens in North America?

A) competitive exclusion
B) an extinction vortex
C) a mutualism
D) the negative effect of heterozygosity on fitness


B

Biology & Microbiology

You might also like to view...

In order for muscles to contract, ____ ions need to be released from the sarcoplasmic reticulum

a. sodium b. calcium c. phosphorous d. oxygen e. nitrogen

Biology & Microbiology

Functional secondary xylem that conducts water and dissolved minerals is known as:

a. softwood. b. springwood. c. hardwood. d. sapwood. e. heartwood

Biology & Microbiology

George is stuck out in the hot, dry desert without any water, and he is sweating a lot. Which of these components of the blood should decrease?

A) plasma B) red blood cells C) platelets D) glucose

Biology & Microbiology

Swimming pool granuloma is caused by

A. Mycobacterium avium complex (MAC). B. Mycobacterium kansasii. C. Mycobacterium scrofulaceum. D. Mycobacterium fortuitum complex. E. Mycobacterium marinum.

Biology & Microbiology