Which of the following statements about biodiversity is not true?
a.Changes to biodiversity never occur naturally.
b.Changes to biodiversity can lead to a decrease in ecosystem stability.
c.Changes to biodiversity can positively and negatively affect on an ecosystem.
d.Changes to biodiversity can lead to an increase in ecosystem stability.
Which statement is true about biodiversity?
a. Natural disaster affect biodiversity more than human activity does.
b. Natural disasters don’t affect blodiversity at all.
c. Human activity can improve, maintain, or hurt biodiversity.
d. Human activity doesn’t affect biodiversity at all.
Which statements describe biodiversity? Check all that apply.
a. It can describe any area from a small ecosystem to Earth as a whole.
b. It refers to the number and variety of organisms in an area.
c. It refers to only the number of organisms in an area.
d. It refers to only the variety of organisms in an area.
e. It contributes to the sustainability of an ecosystem.
Which of the following statements about biodiversity is true?
a. Changes to biodiversity always positively affect an ecosystem.
b. Changes to biodiversity always negatively affect an ecosystem.
c. Changes to biodiversity can positively and negatively affect on an ecosystem.
d. Changes to biodiversity never affect an ecosystem.