Exam 2: Fundamentals of Ecology

The process of subdividing a niche into smaller niches is called:

Homeostasis is the maintenance by organisms of a balanced state of internal conditions.

The habitat of a species has

Heterotrophic organisms cannot make their own food.

Match the direction of net movement of water to the type of extracellular solution. -hypertonic solution

An environment would be considered harsh to an organism if:

Members of the same species living in the same area and interacting are:

The movement of water across a membrane in response to a gradient of solute concentration is called:

Barnacles and mussels compete with each other for space on the rocky intertidal. What type of interaction exists between these two species? If you knew that mussels are capable of occupying all available space in the rocky intertidal then what would happen to the barnacles? What keeps mussels from crowding out barnacles throughout the entire intertidal zone?

The only important role of sunlight in the marine environment is to provide energy for photosynthesis.

A particular sea bird has a Type 1 survival curve, and older female birds produce more eggs than younger birds. What is an evolutionary strategy of these birds?

MATCHING Match the word with the word it is most closely associated with. -predator

The pressure of the oceans increases by one atmosphere for every ____ meter increase in depth.