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Test Bank for Marine Biology: Function, Biodiversity, Ecology 2E - page 35 / 44





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a. Tend to be dominated by solitary animal species, such as barnacles

b. Are usually dominated by colonial invertebrates

c. Contain very homogeneous assemblages of invertebrates

d. Have faunas that are very similar to the fauna of rocky shores


a. Grow well in low nutrient concentrations

b. Are confined to the tropics

c. Grow very slowly

d. Are limited to cooler and cold marine waters

If an Alaskan kelp forest is left undisturbed

a. A well-developed multistory canopy will develop eventually

b. Only a relatively low lying kelp species will come to dominate and eliminate most other kelp species

c. Urchins will stop consuming seaweeds

d. Sea otters will switch to feeding on kelp

What is the large kelp plant that we see?

a. An asexual sporophyte

b. A very large gametophyte

c. The only stage of a plant that is non-sexual

d. A benthic stage of a planktonic gametophyte

A barrens is liable to form when

a. Sea otters are very abundant

b. Urchins are very abundant

c. Storms are infrequent

d. Kelps grow too rapidly

El Ni–os

a. Are very beneficial for kelp forest growth

b. Have no effect on kelp forest growth

c. Negatively affect kelp forest growth

d. Kill kelps because of the very cold water they bring


a.Are never found outside of their coral hosts

b.Are found only in hermatypic corals

c.Are found in a number of invertebrate animal groups

d.Cannot reproduce while in their hosts

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