Life Science Review 2

cerebrum, cerebellum, medulla

Number of chromosomes in a human cell

Kingdom, phylum, class, order, family, genus, species

male reproductive part of the flower

Level of organization

smallest unit that performs life processes

passing of genetic traits from parents to offspring

Green plants are important to animals because plants

meat eaters

In a food chain, which are the most efficient users of solar energy?

Percent of nitrogen in the air

bacteria, protists, algae, fungi, plants, animals

Brakes work by

Makes a plant cell rigid

What plants need to make food

organism that gets energy by breaking down dead organisms or wastes

Used to test for acids or bases

Last step in scientific method

Has a great effect on tides

Coal, oil, natural gas

In what organelle does photosynthesis occur?

process by which cells use oxygen to produce energy from food

Plant cells have, but animal cells do not

have no backbone

Organs in digestion

Parts of the magnet that attract

What does the color of a star indicate?

make their own food

cell division that ends with 2 cells with the same number of chromosomes

Where does respiration in a cell occur?

Number of chambers in human heart

Genus species

Carry oxygnated blood away from the heart to the rest of the body

Sedimentary, Igneous, and metamorphic

First step in scientific method

what causes air to move