life science final exam

dense canopy of tree, vines, and flowering plants

all the organisms of one species in an ecosytem

in what type of relationship do organisms struggle with other organism for needed resources

structure that surrounds and protects the parts of an animal cell

top layer of interlaced leaves in a forest

plains and prairies filled with fertile soil

organ that allows birds to produce sound

idea that nature is God

changing of an immature hatchling into an adult

hot, humid region near the equator

tree with a cone-shaped crown

an environment and all its organisms form

a new ecosystem grows in an area where a previous ecosystem had existed

demonstrated that maggots are not formed by spontaneous generation

any organism that exists in the same ecosystem as the organism being studied

central core of a young woody stem that stores food

process by which a cell copies DNA into a molecule of RNA

early growth of a seed called

has no trees because the growing season is too short

branch of biology that studies organisms too small to be seen with the unaided eye

plants that have many growing seasons

hottest and dryest biome

pores that allow air to enter and leave the stem of a tree

crustacean group has a single eye on top

refers to a chick that is born featherless and helpless

hawks eat mice which eats grass; how is hawk related to grass?

largest group of mammals

conifers are dominant vegetation

organelles of plant cells where photosynthesis occurs

animal group that has tube feet

all the living things in an ecosystem

an organism that feeds on dead and decaying organic matter

fastest flying bird

organism's occupation within its environment called

an animal species decreases in an area because of a lack of food. What has changed?

organism that does not have an organized nucleus

the universe and life are the result of chance and natural processes

an animal that looks for and feeds off of carcasses of dead animals

any object that releases carbon dioxide into the environment

most organized social insect

dormant state that some animals enter in the winter

the system that removes waste from cells and supplies nutrients to cell

tallest tree species

layer of earth where life exists

combination of alleles that an organism has for a particular trait

hard movable plates that cover the gills of a bony fish

egg-laying organ of a female insect

group of drugs includes morphine and heroin

main tissue of a tree trunk

gliding within an updraft to gain altitude

only true terrestrial crustacean

tooth-like scales on a shark's skin

jelly-like substance found in the cell

Father of Anatomy

a tree produces abnormal growths when attacked by

type of disease is caused by a pathogen

arachnids with long tail and venomous stinger

air sacs in a person's lungs

dominant plant species in a biome

group of nutrients that include fats

group of algae that includes volvox

order of insects whose wings make an X

order of insects that include dragonflies

feelers on an insects head

what type of biogeochemical cycles recycle nutrients found in soil and rocks

region of water that is too salty to be freshwater and not salty enough to be saltwater

sensible explanation for a scientific problem

long thin snout

has three body regions: head, foot, and mantle

mammals whose young grow in pouches

bees help flowers to pollinate; bees use pollen to produce their own food

the number and variety of species in an environment

what nutritional relationship involves one animal hunting another animal for prey

when one biome has reached the carrying capacity for a species yet continues to get more of that species

carnivorous hunting birds

describes an organism's feeding relationship with other organisms

protozoa that have long, whip-like structures