Explain why plants try to spread their pollen and their seeds?

How does the egg of a flower become fertilized? as soon as the pollen reaches the stigma after the pollen grain descends down the style when the pollen tube grows into the ovule when the seed germinates

Suggest 2 ways of preventing the thermal pollution and still have the industrial development occur

What substance reacts with an acid or a base to control pH

How does a human end up with an extra chromosome?

What type of molecule serves the following functions in the body

1. Two years after the above frequencies were calculated, a biologist reexamined the cat population and counted 153 short-haired homozygotes, 568 shorthaired heterozygotes, and 397 long-haired cats. What are the frequencies of each allele now?

Select the correct answer from each drop-down menu. This map shows the level of water stress in different regions of United States. Region is most prone to water scarcity caused by rises in population.

The rising of regions of Earths crust to higher elevations is called ...

Explain what happens to energy as it moves through the energy pyramid.

What symptom of schizophrenia is illustrated by the following example? So bees with knees have fleas and fleas jump, I jump like a jack, Jack the Giant Killer.