What is transported in the xylem of a plant

If a Killer whale is feeding at the fifth trophic level, how much phytoplankton mass is required to add each gram of new mass to the whale? Assume that 10% of the energy at one trophic level is transferred to the next level.

What do bacteria and giraffes have in common?

human skin color varies widely around the world and children do not always exhibit the exact same coloring as their parents based on thsi information what is true about human skin color

Por que devemos tomar cuidado com especie de aracnideos?

The allele for red hair is recessive to the allele for black hair. What colour hair will a person have if he inherits an allele for red hair from his mother and an allele for black hair from his father?

Explain why a food web is a better representation of energy flow in a community than a food chain.

In what way does the cardiovascular system affect the use of muscles? O A. The cardiovascular system sends messages across synapses. O B. The cardiovascular system provides calcium ions. O C.

What is a ecological succession

Surface currents are a result of all of the following except the moon's gravitational pull shape of the ocean basins global wind patterns Earth's rotation

Which does the work of the immune system? A. Enzymes B. Hormones C. Lymphocytes D. Neurons