Which of the following transmission modes is available for plants?

A) direct
B) intermediate vector
C) multiple hosts and stages
D) all of the above


D

Biology & Microbiology

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On a road trip in the American West, you see a prairie dog town – a colony of related animals. There are hundreds of prairie dogs, but only a subset are scanning for predators at any time. If a predator is spotted, a prairie dog barks to warn the rest of the colony, who dart into their burrows. Prairie dogs have a complex vocabulary of alarm calls, which differ to indicate hawks, coyotes, or humans. What feature of group living is best illustrated by the prairie dog alarm system?

A. the many-eyes hypothesis B. the geometry of the selfish herd C. reciprocal altruism D. haplodiploidy E. optimality theory

Biology & Microbiology

Which is an organic molecule?

a. carbon dioxide (CO2) b. water (H2O) c. methane (CH4) d. hydrochloric acid (HCl) e. oxygen (O2)

Biology & Microbiology

Hepatitis B virus is an example of a DNA virus that uses reverse transcriptase in its replication cycle.

Answer the following statement true (T) or false (F)

Biology & Microbiology

What level of taxonomy is Parameciidae Cells rotate while swimming and have oral grooves?

A) Kingdom B) Family C) Phylum D) Genus E) Species

Biology & Microbiology