Chemical substances in plants that act as internal stimuli are called

To reproduce, female elephants produce eggs and male elephants produce sperm. Offspring are produced by the fusion of an egg with a sperm cell. Which statement is true about the offspring?

What is the significance of sporopollenin in bryophytes

Explain what happens to species with lower resilience as compared to species with higher levels of resilience.

Explain the concept of cell division

There are four boys in Paul's family. By the age of nineteen, all of them are over six feet tall. The data table below shows their height at different ages: Age 8 Age 12 Age 16 Age 20 Age 24 Paul 4 ft 8 in 5 ft 0 in 5 ft 11 in 6 ft 1 in 6 ft 1 in

What are the four principal advantages of asexual reproduction.

Explain why trees are a renewable resource and how this resource can be maintained.

Which is a possible disadvantage of true breeding? A) The chances of genetic disorders are reduced. B) Successive generations have shorter life spans. C) No new genes are added to the future generations.

What has to be true in order for organisms to be considered the same species?

When a liver biopsy is performed using imaging guidance, is the imaging guidance coded separately or is it bundled in with the liver biopsy?