This is a line up of organisms that shows who eats who.
What is the food chain
100
___________ is the slow, gradual change in a population of organisms over time.
What is evolution
100
This is the study of interactions that take place between organisms and their environment.
What is ecology
100
Extra water runs off the land to lower lying bodies of water.
What is runoff
100
An organism that eats both meat and plants.
What is an omnivore
200
Both humans and sharks are concidered to be at the top of the food chain, placing them in this trophic level.
What is tertiary consumers
200
Production of more individuals than can be supported by the environment leads to a struggle for existence among individuals. Darwin conclulded that only a fraction of offspring survive each generation through natural selection which he simplified as this
What is survival of the fittest
200
__________factors are nonliving parts of the environment.
What is abiotic
200
Plants give off water to the atmosphere.
What is transporation.
200
An organism that make it's own food.
What is an autotroph.
300
This is the first level of the trophic level pyramid within which are autotrophs.
What is producer level
300
DARWIN SET OUT ON A FIVE YEAR EXPLORATION OF THESE ISLANDS ON THE USS BEAGLE.
What is THE GALAPOGOS ISLANDS
300
____________factors are living organisms in the environment.
What is biotic
300
During photosynthesis, plants release O2 back into the atmosphere during this cycle.
What is the Carbon Cycle
300
An organism that cannot make it's own food and must eat other organisms.
What is a heterotroph.
400
The bone structure in the limbs of mammals are concidered to be this because of their similarity to eachother.
What is homologuos
400
_____________is the idea that organisms change over time from a common ancestor causing evolution of a new species.
What is divergence
400
This is a biological community and the nonliving things in the community's environment.
What is the ecosystem.
400
Bacteria in the ground change nitrogen from the atmosphere N2 to different nitrogen compounds during this...
What is Nitrogen Fixation.
400
A relationship where one organism hunts another.
What is the predator-prey relationship.
500
The appendix and Gall Bladder in humans are no longer necessary for survival are called this
What is vestigial organs
500
In the early stages of embryotic development all mammals have these, thus supporting Darwins theory that they evolved from the same common ancestor
What is gills
500
___________is a group of organisms, all of the same species, which interbreed and live in the same area at the same time.
What is a population
500
This action occurs when bacteria change the nitrogn compunds back into N2 and release it to the atmosphere.
What is dentrification
500
A relationship in which one species lives on, in, or near another species and affects its survival.