Photosynthesis produce 02 (oxygen)
Answer:
species richness,
Explanation:
species richness_______ is the number of different species represented in an ecological community, landscape or region. _species richness, ______ is simply a count of species, and it does not take into account the abundances of the species or their relative abundance distributions.
The difference between a tornado watch and a tornado warning is a tornado watch means that there was a tornado spotted in an area/town nearby. And a tornado warning means that there is a tornado heading towards your town/area or that there already is a tornado in your town/area. Hope this helped!
Answer:
The correct answer is internal and external signals regulate the progression of the cell cycle at various critical check points.
Explanation:
The cyclic event that helps to prepare the cell for division is termed as cell cycle.Cell cycle are regulated by various internal and external factors which regulates the passage of cell through various critical check point.
For example Maturation promoting factor helps in the progression of frog egg oocytes cells from G2 to M phase.
G1 cyclin CDK helps in the passage of cell from G1 to S phase.