Marine Biology Zoology & Populations

Question 1

How would a scientist classify an organism if it heterotrophic with no cell wall?

Accepted Answer

animal

Question 2

_____ are organisms that live in very hot environments.

Accepted Answer

thermophiles

Question 3

How would a scientist classify an organism if it multicellular & autotrophic with a cell wall?

Accepted Answer

plant

Question 4

Which species would be most directly affected by an increase in the mussel population?

Accepted Answer

lobsters

Question 5

Which life function is this: a plant converts light energy into stored chemical energy?

Accepted Answer

synthesis

Question 6

What changes in biotic factors would allow an organism to be de-listed from the ESL?

Accepted Answer

improvement in food sources

Question 7

Which of the following is a factor that tends to decrease animal populations?

Accepted Answer

low genetic diversity

Question 8

_____ are organisms with the ability to swim against ocean movements.

Accepted Answer

nekton

Question 9

How are halophiles different from other bacteria.

Accepted Answer

They thrive in extremely salty water.

Question 10

_____ are organisms that can rely on a variety of food sources.

Accepted Answer

opportunists

Question 11

Which of the following is NOT a major type of plankton?

Accepted Answer

abyssal plankton

Question 12

Which kingdom are both kelp and diatoms classified in?

Accepted Answer

protists

Question 13

_____ are organisms that float at the mercy of ocean processes such as waves and currents

Accepted Answer

plankton

Question 14

What would happen if there were no decomposers in an ecosystem?

Accepted Answer

there would eventually be no nutrients

Question 15

Which life function is this: an iguana expels salt from its nose to control osmosis?

Accepted Answer

excretion, regulation

Question 16

What do scientists study when they study taxonomy?

Accepted Answer

classifying organisms

Question 17

What is the abiotic source of energy for living things in this ecosystem?

Accepted Answer

sunlight

Question 18

What organism would be directly affected by a sudden increase in phytoplankton?

Accepted Answer

green algae, zooplankton

Question 19

Which organism(s) is/are producers?

Accepted Answer

phytoplankton, green algae

Question 20

Which organism(s) is/are consumers?

Accepted Answer

zooplankton, crabs

Question 21

Which life function is this: a plant converts food energy into ATP energy for cells to use?

Accepted Answer

respiration

Question 22

How would a scientist classify an organism if it heterotrophic with a cell wall?

Accepted Answer

fungus

Questions 22