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.

Option C

Explanation: The biodiversity can be defined as the variety of plants and animals present in a particular habitat. This is usually considered to be very important and desirable for the ecosystem.

The changes biodiversity can be have a positive or negative effect on the ecosystem. The changes can be in the number of plants or animals which can even adversely affect the ecosystem if it is beneficial for the ecosystem.

There are times that loss of some plants and animals can positively affect the ecosystem if it is affecting the ecosystem in a negative way.

the answer is 1. photosynthesis. glad to

the atomic number of magnesium is 12. its nucleus must contain 12 protons and no electrons. the atomic number of an atom is determined by the number of protons.

magnesium is an electrolyte injection commonly used to treat low magnesium levels in your blood. it is also used to prevent or control seizures in women with preeclampsia or eclampsia.