Ecology is the study of ______. |
D) interactions between organisms and their environments |
Which of the following is abiotic? |
D) a rock |
If you study how two species of finches compete for food, you are trying to answer a question about _______. |
A) community ecology |
What level of ecology is concerned with the adaptations of individuals? |
B) organismal |
What level of ecology is concerned with groups of individuals of the same species? |
D) population |
What level of ecology is concerned with groups of individuals of different species? |
A) community |
What is a population? |
B) a group of organisms of the same species living in a particular geographic area |
Which of these is a community? |
B) all of the organisms living in your home |
What level of ecology is concerned with both the biotic and abiotic aspects of an environment? |
C) ecosystem |
Aquatic organisms ______. |
B) may experience problems with water balance |
Which nutrients often limit the distribution and abundance of photosynthetic organisms? |
B) nitrogen and phosphorus |
Which of the following is a behavioral response to environmental variability? |
A) migrating to a different location |
In an aquatic ecosystem, what name is given to the region where photosynthesis can occur? |
D) photic zone |
Wetlands ______. |
A) are important in improving water quality |
What are estuaries? |
D) a transition area between a river and the ocean |
What name is given to the region where sea meets land? |
B) intertidal zone |
What name is given to the open ocean? |
A) pelagic realm |
In what part of the ocean are phytoplankton found? |
A) pelagic realm |
What name is given to the seafloor? |
C) benthic realm |
The temperate zones ______. |
B) are relatively wet |
What is one important difference between savannas and temperate grasslands? |
B) Savannas have trees |
Which of these biomes is maintained by fire? |
B) chaparral and savanna |
Permafrost, or permanently frozen subsoil, characterizes _____. |
C) tundra |
What name is given to the seafloor? |
C) benthic realm |
What level of ecology is concerned with both the biotic and abiotic aspects of an environment? |
C) ecosystem |
ch 18
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