What element makes up 65% of human body mass

All plants and animals need energy in order to survive. The food web above shows how energy gets transferred among living things. If all of the grasshoppers were removed from the region, which species would have more energy available to it?

An elephant has 56 chromosomes. Which statement about a zygote of an elephant is true? The zygote has 28 chromosomes, mostly inherited from the father. The zygote has 56 chromosomes, all inherited from the mother.

Which antiinfective agent may lead to blindness if not used correctly by the client in prescribed amounts?

Multicellular organisms undergo cell specialization in order to create organization within the body. Which of the following would not be an example of cell specialization? a. pancreatic cell that produces protein-digesting enzymes. b.

A cell is a complex system. Like most systems, a cell contains a boundary that separates things that are inside the system from those that are outside of the system. Which part of the cell functions as a system boundary?

Aziza is designing an experiment to test whether the color of a hummingbird feeder affects the number of hummingbirds that feed at it. She plans to buy four hummingbird feeders and four different colors of paint.

How do enzymes affect the activation energy of a reaction

Construct an explanation as to how natural selection might produce an effect of the giraffes neck length changing over time

Which reaction is an example of a reflex?

While grazing, a buffalo stirs up insects. These insects are eaten by cattle egrets. What type of interaction does the cattle egret exhibit with the buffalo?