Oligotrophic lakes have:
A) low oxygen concentrations in the summer.
B) clear water with high production.
C) clear water with low nutrient levels.
D) high nutrient levels and high production by phytoplankton.
E) the largest numbers and diversity of organisms.
Correct Answer:
Verified
Q36: The "rain shadow" effect occurs because:
A)cloud shadows
Q37: As a general rule,for each jump up
Q38: Phytoplankton are:
A)producers.
B)primary consumers.
C)secondary consumers.
D)tertiary consumers.
E)detritivores.
Q39: Humans function primarily at which trophic levels?
A)producers;
Q40: Tundra is characterized by:
A)low rainfall, deep water
Q42: Atmospheric N₂ is useless to plants.
Q43: The coastal zone is best described as
Q44: Which aquatic ecosystem is characterized by ocean
Q45: In lakes,rooted plants may grow in the
Q46: Respiration is the only major process through
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents