Four examples of the effects of environmental change are given. match each one with the type of environmental change it demonstrates.

The answers are matched as follows:

African forests have been hunted to near extinction levels to obtain ivory>human exploitation

The eruption of mount Saint Helens destroyed some populations of conifers> natural disasters

An infection with a fungus reduced the population of North American Elm trees > disease

Increasing global temperatures have altered migration patterns of humpback whales >climate change

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.