Question

Would you classify sperm whales as an r-selected species, aK-selected species, or a species exhibiting both r and Kattributes? Defend your answer.

Describe how a community and an ecosystem are related.

Which of the following levels of organization are in order, fromsimplest to most complex. a. population, organism, community,ecosystem
b. community, ecosystem, population, organism
c. organism, community, population, ecosystem
d. population, ecosystem, organism, community
e. organism, population, community, ecosystem

Mosses growing on bare rock will eventually help to create soil.These mosses are involved in ___ succession.
a. primary
b. secondary
c. tertiary

If a farmer sprays a pesticide onto a field and kills half of theinsect pests, he has caused a reduction in________.
a. field capacity
b. carrying capacity
c. population size
d. More than one of the above

What type of survivorship curve would you expect for a plantspecies in which only a few seeds are produced and most of thesesurvive to produce adult plants?
a. type I
b. type II
c. type III

An ecological niche is an organism's_______ in an ecosystem.
a. location b. habitat c. resources d. function

No matter how rapidly populations grow, they eventually reach alimit and begin to stabilize. This is called the______________.

Unicellular algae live in the tissues of coral animals. The algaeprovide food for the coral, while the coral provides a stable homefor the algae. This is an example of
a. Parasitism
b. Commensalism
c. Mutualism