What are two examples of mechanical digestion? Select both.

a

Muscular squeezing and mixing.

b

Enzymatic break down of large molecules.

c

Chewing in the mouth.

d

Acids in the stomach break down food.

A lung ventilation/perfusion scan is another name for:

Which two changes would decrease the density of ocean water? A. increasing its temperature B. Decreasing the amount of light that enters it C. increasing the amount of water that evaporates from it D. Decreasing it's salinity

What are three disadvantages of making and using plastic?

The term homolougous means the same in greek how does this relate to a homolougous structure

What is a response from the greenhouse effect

What's a primary consumer

After plants absorb energy from the sun the energy gets converted into blank energy for the plant to carry out life activities

A type of succession in which an ecosystem damaged by fire is reestablished

Major functions of digestive system

The fact that two strands composing a dna molecule are called antiparaellel has to do with the orientation of the