Light penetrates the ocean only to which of the following depths?

•20 m

•200 m

•500 m

•2,000 m

Inherited genetic variations are caused by genetics only. They caused by crossing over and assortment in the development of sex cells in meiosis. The random joining of sex cells can also be a source of genetic variation.

Increasing levels of chemicals in freshwater is attributed to fertilizers why

In an ecosystem, can there be more carnivores then herbivores

What type of tissue is commonly found within our skin?

How many cotyledons would be formed in a flowering plant with nine petals on each flower and long leaves with a parallel leaf veins?

How does the reproduction rate of bacteria affect the illmness that is cuased by it?

Kristyn is thrilled to hear she is expecting twins. her doctor informs her that the twins are dizygotic. what does this mean?

Chromosome duplication, which happens during mitosis, occurs in the what?

Which is not a characteristic that all living organisms share

A scientist claims plants can communicate with each other in a variety of ways. justify the claim of the scientist and describe the types of responses that result from the communication of two different plants.