Humans secreting pheromones is an example of which form of communication?

a.

physical

c.

biological

b.

chemical

d.

diurnal

A chemical bond resulting from the loss or gain of electrons and the subsequent attraction of oppositely charged atoms

At the end of telophase, what must occur?

A concept that there is a specific time in an organism's development during which external factors have a unique and irreversible impact is: A. ethology B. equifinality C. critical period D. zone of proximal development

Why is it not surprising that animals can suffer from emotional distress or mental illness

How is your body is able to develop resistance to the flu as a result of getting the vaccine?

Freshwater marshes occur beside rivers and oceans? True or False

What were the earliest land plants

Suppose you use a microphone to look at a cell from the skin of an onion. What structure will you see that would not be found in a cell from your skin

This part of Earth's surface is where water is in solid form, including sea ice, lake ice, river ice, snow cover, glaciers, ice caps and ice sheets, and permafrost. Collectively, this sphere is called the

Which of the following is true regarding the organization of muscle tissue