In many species of fireflies, males flash light from their abdomens to attract females. Each species has a different flashing pattern. This is an example of
A) mechanical incompatibility.
B) ecological isolation.
C) temporal isolation.
D) behavioral isolation.
E) geographic isolation.
D
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The female gametophyte generation in angiosperms is found in the:a
antheridium. b. prothallium. c. ovule of the ovary. d. stigma and style of the pistil. e. megasporophyte of the cones.
Lupus is a disease in which the immune system produces antibodies that attach to various tissues throughout the body, which initiates massive inflammation and tissue death. What type of disease is this, and what sort of treatment may prove effective?
What will be an ideal response?
Answer the following questions true (T) or false (F)
1. Most K-selected species have short generation times. 2. Elephants are good examples of r-selected species. 3. K-selected species are also called equilibrium species.
Also known as anamnestic response
A. Primary Response B. IgM C. Secondary Response D. IgG E. Latent Period F. 1st Exposure G. 2nd Exposure