8th Grade Science › Life Science
Which of the following is a cause of extinction?
Agriculture
Habitat Fragmentation
Deforestation
All options are correct
There are many causes of extinction. Agriculture, habitat fragmentation, and deforestations are all causes of extinction.
Agriculture causes extinction by emitting toxins into the environment.
Habitat fragmentation causes extinction by changing an animals habitat. Usually, habitat fragmentation is caused by development breaking apart an animal's habitat.
Deforestation causes extinction by taking away animals's habitats. Deforestation is when forests are cut down.
What is the process that enables organisms that are best suited for the environment to live and pass on their genetic traits.
Natural Selection
Evolution
Mutation
Environmental Selection
Natural Selection is the process that enables organisms that are best suited for the environment to live and pass on their genetic traits.
What is characterized as a mistake or change in an organism's DNA?
Mutation
Evolution
Natural Selection
Environmental Selection
A mutation is characterized as a mistake or change in an organism's DNA.
Fill in the blank:
When a species becomes better suited to its environment, it's said that the species has __________.
adapted
mutated
grown
evaporated
Adaptation is the processes in which a species becomes better suited to its environment; thus, the correct answer is adapted.
When a species becomes better suited to its environment, it's said that the species has adapted.