Fundamentals of Ecology Review

Fundamentals of Ecology Review

by Mihatov Laura

Multiple Choice

A sample of 50 tuna is captured, tagged, and released back into the population. Four weeks later, another sample of 50 tuna is taken and 10 of them have tags. Based on this information, we would estimate the size of the tuna population in this range to be:

• 100 tuna

• 200 tuna

• 250 tuna

• 500 tuna

Multiple Choice

The dispersion pattern that frequently results when there is competition among species is:

• clumping

• uniform

• random

Multiple Choice

Oysters and other broadcast spawners produce larger numbers of offspring, very few of which survive. Those that do survive, have a low mortality rate in adults. Which survivorship best fits this life cycle?

• a type 1 curve

• a type 2 curve

• a type 3 curve

Multiple Choice

An organism's fitness is measured in terms of

• how long it lives

• how many times it reproduces

• how many of its offspring survive to produce offspring

• clutch size

Multiple Choice

The upside down jellyfish depends on algae in its body for certain nutrients. The algae are protected by the jellyfish and supplied with nutrients. This relationship would be an example of:

• mutalism

• commensalism

• parasitism

Multiple Choice

The ultimate source of energy for most life in the ocean is:

• photosynthesis

• the sun

• thermal vents

• predation

Multiple Choice

The most important primary producers in marine ecosystems are

• seaweeds

• plants

• phytoplankton

• detritivores

Multiple Choice

According to the ten percent rule, how many kilograms of phytoplankton would be needed to produce 10 kilograms of fish that were second order consumers?

• 1 kilogram

• 10 kilograms

• 100 kilograms

• 1000 kilograms

Multiple Choice

The area composed of the water that lies over the continental shelf is_____________?

• photic zone

• benthic zone

• neritic province

• disphotic zone

Multiple Choice

An animal that eats both vegetation and other animals.

• herbivore

• carnivore

• omnivore

• detritivore

Multiple Choice

An organism that feeds on bits of decaying material and organic wastes

• herbivore

• decomposer

• carnivore

• omnivore