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Flashcards in Ecology Deck (20)
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1
Q

Besides sunlight, the next most important climatic factors are

A

temperature and moisture

2
Q

For a species to be called “invasive” it must

A

be introduced to a new area, spread rapidly in this area, and competes successfully with native species

3
Q

In deep water, which of the following abiotic factors would most limit productivity?

A

light availability

4
Q

What is the main reason that climatic conditions on Mercury differ from Earth?

A

average distance from the Sun

5
Q

Which level of ecological study focuses the most on abiotic factors?

A

ecosystem ecology

6
Q

A lizard’s bobbing dewlap (a colorful flap of skin hanging from an Anolis lizard’s throat) is an example of

A

signal

7
Q

An process in which a signal from on e individual modifies the behavior of a recipient individual is

A

communication

8
Q

If you ask a question about behavior that concerns how it works, or what its mechanism is, you are asking a question that involves

A

proximate causation

9
Q

Learning has the most influence on behavior when

A

making mistakes does not result in death, and when animals have parents or other sources to learn from

10
Q

What is the coefficient of relatedness, r between full siblings?

A

1/2

11
Q

Ancestral mollusks lacked which of the following key traits?

A

coiled body and shell

12
Q

What captures prey with nematocysts?

A

cnidarians = jellyfish and coral

13
Q

Most chitons are — that feed by using a radula

A

marine herbivore

14
Q

Phylum Arthropoda includes which of the following animals?

A

millipedes, lobsters, spiders

15
Q

You find a new species of marine creature. What can help you decide if the animal was more closely related to crabs or spiders

A

the presence of chelicerae

16
Q

Horseshoe crabs are

A

crustaceans

17
Q

The phylum Arthropoda is dominated by

A

Insecta

18
Q

Arthropod bodies are completely enclosed within a —exoskeleton

A

chitin

19
Q

In bivalves, gills function as

A

respiratory and feeding structures

20
Q

Barnacles filter feed with modified —

A

feet