What Is Latitudinal Gradient of Biodiversity

Q. Assertion: Tropical regions show more biodiversity than temperate regions.
Reason: Tropical regions have favourable conditions for growth throughout the year.

Q. The process of photosynthesis in aquatic environment occurs in aphotic zone.

1. False
2. True

Q. The image below displays the pattern of distribution of mammalian species. Explain the pattern seen in the image.

1. Equatorial gradient of biodiversity
2. There are greater number of mammals in the Arctic Tundra
3. Africa is rich in vascular plants
4. Latitudinal gradient of biodiversity

Q. State whether true or false:
Species richness is the biodiversity of a given area.

1. True
2. False

Q. In general, latitudinal gradient states that species diversity as we move away from the equator towards the poles.

1. increases
2. decreases
3. same
4. can be predicted

Q. _______ in South America has the greatest biodiversity on earth.
Complete the above statement by choosing correct option.

1. New York
2. Ecuador
3. Colombia
4. Amazon rainforest

Q.

The type of population where pre-reproductive animals occur in large numbers, is

1. Declining

2. Fluctuating

3. Stable

4. Growing