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29 Cards in this Set

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Which is an example of a harmful mutation?
1) a cat's extra toe
2) a yellow flower
3) a hole in a baby's heart
3) a hole in a baby's heart
Predators are often selecting agents.

True False
TRUE
When more than several organisms in a population need or want the same "things" from the habitat, they ___ for it.
COMPETE
These are evidence of past life.
FOSSILS
This is the scientist that wrote the theory of natural selection.
DARWIN
According to Darwin, overtime the offspring of survivors will make up a larger proportion of a population.
True False
True
In the early stages of all vertebrates, two structures are always seen. What are they?
TAIL GILLS OR GILL SLITS
When body parts of different organisms are similar in structure and origin we say that they are...
HOMOLOGOUS
This is the basic molecule of life and is found in all living organisms.
deoxyribonucleic acid
DNA
The structure or ability of an organism to remain hidden or unseen in its habitat is called....
CAMOUFLAGE
How do insecticide-resistant genes appear in insects?
SELECTION
The difference in appearance between members of the same species is called....


VARIATION
A farmer's planting seeds from his best plants is an example of ....selection.
1) natural
2) artificial
ARTIFICIAL
The more ways that the DNA codes of different species are alike, the more closely they are related.
True False
TRUE
Which is a good example of a predator/prey relation?
1)bear/blackberry bush
2)rabbit/squirrel
3)coyote/mouse
COYOTE/MOUSE
The basic building blocks that make up protein are


AMINO ACIDS
What do scientists use the fossil record for?
1) to study the species that are extinct
2) to gather evidence about climate, food, and environment
The changing of the inherited traits of a population over time is called....
EVOLUTION
According to Darwin's theory of natural selection, organisms reproduce more offspring than can survive
True False
True
Scientists study ____ of different organisms to see how similar structures have developed
EMBRYOS
What do we call an area that provides shelter, food, and water to organisms
HABITAT
What does survival of the fittest mean?
ORGANISMS THAT ARE BEST ADAPTED TO THE ENVIRONMENT SURVIVE
When two different organisms develop structures and bahaviors in response to each other it is called....
COEVOLUTION
Which of the following is NOT a protein?
-enzymes
-cholesterol
-insulin
CHOLESTEROL
What do you call an organism that kills and eats its own food


PREDATOR
The sequence of nitrogen bases are very similar in chimps, gorillas, and humans.

True or False
True
Anything that removes members of a population from the habitat is called a
SELECTING AGENT
A mutation of an organism can cause...
-only a bad effect
-only a good effect
-a change in a trait or behavior
A CHANGE IN A TRAIT OR BEHAVIOR
This molecule contains the instructions for making all living things
DNA