Habitat change can occur through natural causes.
a. true
b. false

The given statement is true.

Natural causes such as floods, fires, droughts, weather change et cetera can change the habitat significantly.

For example, a tsunami or flood can fill the entire ecosystem with water which converts the terrestrial habitat into the aquatic ecosystem.

The forest fires can also change the entire ecosystem or habitat of the forest.

Changes in weather, for example, long periods of time without rain or water can cause drought in an area. It can change the grassland into a barren land or desert.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

huh

explanation: