Living Things/Plants
Approximately how much of the human body is water?
70%
The smallest unit that can perform operations needed for life.
cell
heredity
Which system contains the heart, blood, and blood vessels?
circulatory system
What is the frogs third eyelid called?
nictitating membrane
List the four basic needs all living things have.
Air, water, food, a place to live
This organelle protects the plant/animal cell from the outside world.
cell membrane
All human cells, except for sperm and egg, have ______ chromosomes
46
Where are the villi and what do they do?
In the small intestine; absorb nutrients
dorsal
Two or more cells working together make a
tissue
Where does photosynthesis take place?
In the chloroplasts.
What is an advantage of internal fertilization?
the eggs/offspring are protected
List the two types of digestion
mechanical and chemical
What organ produces bile?
liver
Plants use water, sunlight, and _____________ to perform photosynthesis.
carbon dioxide
What happens after the pollen grain lands on the stigma?
A pollen tube goes through style to the ovule.
Which type of asexual reproduction does bacteria use?
binary fission
Blood carries _________________ and ________________ to the body cells
oxygen and nutrients
What organ do frogs have to store nutrients in case they cannot find food?
Fat bodies
After fertilization takes place in the flower, the ovary develops into a
Fruit
What is the dye that makes plants green?
chlorophyll
In asexual reproduction, what happens to the genetic information of the parent before the reproduction can take place?
The parents DNA must first be copied.
What process releases carbon dioxide into the air?
respiration
What are the two teeth in the frogs mouth called?
vomerine teeth