Aquatic Habitats Answers

0 verified answers2 views
1
Free Preview

Which level of consumer has access to the smallest supply of energy?

A
primary
B
secondary
C
tertiary
D
quaternary
2
Free Preview

The most productive marine habitats are on the seafloor. Please select the best answer from the choices provided

A
T
B
F
3

Amoebas prey upon algae in aquatic environments.

A
T
B
F
4

Which marine habitats would have the least access to primary producers?

A
salt marshes and estuaries
B
coral reefs and lagoons
C
mangroves and intertidal zones
D
deep sea and sea floor
5

If a stationary body of water has a constant temperature from top to bottom it is most likely a(n) _______.

A
lake
B
pond
C
ocean
D
lagoon
6

Which energy pyramid cannot be inverted?

A
pyramid of numbers
B
pyramid of biomass
C
pyramid of energy
D
all can be inverted
7

Algae uses all the energy in sunlight to perform photosynthesis.

A
T
B
F
8

Which statement about how organisms depend on abiotic factors in an aquatic ecosystem is not true?

A
most living organisms can survive in environments with several different temperature and salinity levels
B
both aquatic plants and animals depend on dissolved oxygen for respiration
C
abiotic factors that impact an aquatic ecosystem include temperature, salinity, flow, and dissolved oxygen in the water
D
abiotic factors of an aquatic ecosystem determine what kind of life can exist in that environment
9

Which habitat would have the least variation in its salinity?

A
salt marsh
B
mangrove forest
C
lake
D
estuary
10

Which of the following are not extremophiles?

A
Pompeii worms
B
bacteria in boiling hot springs
C
fish living in open oceans
D
fish living in water below freezing
11

Which of the following is a man-made aquatic habitat?

A
lake
B
reservoir
C
stream
D
pond
12

Less than 0.1% of the energy in a food chain generally makes it from the sun to decomposers.

A
T
B
F
13

Which statement does not describe freshwater and saltwater ecosystems accurately?

A
Both support a large number of plants and animals adapted for aquatic living.
B
The primary producers in saltwater and freshwater ecosystems are amoebas.
C
Freshwater ecosystems have a very low salt concentration and include ponds, lakes, streams, wetlands, and rivers.
D
Saltwater ecosystems have a high salt concentration and include oceans, coral reefs, and estuaries.
14

Which of the following explains the inversion of the aquatic pyramid of biomass?

A
high phytoplankton turnover rate
B
slow aquatic predator metabolisms
C
small number of aquatic consumers
D
high energy content of phytoplankton

Did you find these answers helpful?