Exam 18: An Introduction to Ecology and the Biosphere

At different times in their lives,salmon can be found in all of the following EXCEPT ________.

Water moves from land to the atmosphere through ________.

The physiological response that allows salmon to survive in fresh water,then in salt water,and then fresh water again is an example of ________.

Which of these biomes are maintained by fire?

The greenhouse effect causes an increase in global temperatures.This increase is due primarily to ________.

Scientists have documented that spring seasons starting earlier due to climate change have resulted in some caterpillar species beginning their maturation stage earlier than normal.There are bird species that need the caterpillars to feed their chicks.However,since the caterpillars are maturing before the chicks hatch (and therefore cannot be used for chick food),the birds are experiencing a drop in their lifetime reproductive success.Interestingly,scientists have also documented that the individual birds that are best able to change when they lay their eggs to align with earlier spring seasons have the greatest lifetime reproductive success.These phenomena are examples of ________.

What is one important difference between savannas and temperate grasslands?

Water-storing plants and deeply rooted shrubs are plants that characterize ________.

The Sahara Desert and the Negev Desert belong to the same ________.

Which of the following is a behavioral response to environmental variability?

Malaria is an infectious disease transmitted to humans from a parasite that infects mosquitoes that feed on humans.World health officials have concerns that climate change may impact the transmission of malaria into tropical highland areas in Africa.If these concerns turn out to be valid,they would be evidence for which of the following?

Which of the following is abiotic?

In this scenario,how would you best describe CO₂?

What name is given to the open ocean?

What level of ecology is concerned with groups of individuals of the same species?

Ecology is the study of ________.

What are estuaries?

Long,snowy winters as well as evergreen trees such as pine and fir are found in ________.

In what part of the ocean are phytoplankton found?

An effect of deforestation has been to ________.