Natural Selection

What word means to change physical features or behaviors of a species in response to changes in the environment? a. Adapt b. naturalist c. Organism d. Species

a. Adapt

Why are advantageous traits more likely to be passed onto offspring? a. Because they are more likely to survive and reproduce. b. Because they come from dominant alleles. c. Because they come from recessive alleles. d. Because the organism knew it needed that trait, survives, and passes it on.

a. Because they are more likely to survive and reproduce.

Why are advantageous traits more likely to be passed onto offspring? a. Because they are more likely to survive and reproduce. b. Because they come from dominant alleles. c. Because they come from recessive alleles. d. Because the trait is an acquired phenotype.

a. Because they are more likely to survive and reproduce.

Physical adaptations are: a. Body parts that help a living thing survive in its environment b. Behaviors that help a living thing survive in its environment

a. Body parts that help a living thing survive in its environment

Survival of the Fittest and Evolution were proposed by what scientist? a. Charles Darwin b. Albert Einstein c. Steven Hawking d. Isaac Newton

a. Charles Darwin

Which of the following organisms the kingdom animalia are not closely related? a. mouse and hagfish b. mouse and lizard c. mouse and pigeon d. mouse and chimp

a. mouse and hagfish

All rabbits of the same species living in a particular area would be an example of a(n) a. population b. species c. community d. ecosystem

a. population

Which organisms are most likely to survive? a. the best adapted b. the fastest c. the strongest d. the most domesticated (tamed)

a. the best adapted

Two organisms that are closely related would have a. very similar DNA sequence b. exactly the same DNA sequences c. no proteins in common d. completely different DNA sequence

a. very similar DNA sequence

Study of embryos of various organisms to show a common ancestor because of similarities in development a. natural selection b. embryology c. speciation d. evolution

b. embryology

Mutations are important because they bring about a. death of the organism in which they develop b. genetic variation needed for a population to evolve c. benefits for the individual, not for the population d. changes in genotype, but not phenotype

b. genetic variation needed for a population to evolve

Structures with the same parts have different functions; suggests that organisms share a common ancestry a. vestigial structures b. homologous structures c. adaptive radiation d. fossil

b. homologous structures

Why do frogs and other organism reproduce so many eggs or offspring? a. so that their babies can have friends to play with b. the more offspring the more likely the offspring will survive c. the more offspring the less likely offspring will survive d. the more offspring the less competition

b. the more offspring the more likely the offspring will survive

The differences among a species, like different bird beaks, are called a. genes. b. variations. c. traits. d. theories.

b. variations.

Which best describes the role of mutations in natural selection? a. Mutations help an organism to better survive in their environment b. An organism may acquire a helpful mutation by interacting with the environment c. A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce d. Organisms with certain traits are more likely to win competitions for mutations

c. A mutation may result in an adaptive trait that makes an organism more likely to survive and reproduce

Why is the mouse population changing over time? a. The light mice can reproduce more successfully than the dark mice b. The hawks eat more dark mice than light mice because the dark mice taste better c. The hawks eat more light mice than dark mice because they can see the light mice more easily d. The hawks eat more dark mice than light mice because they can see the dark mice more easily

c. The hawks eat more light mice than dark mice because they can see the light mice more easily

Which of the following are examples of evidence for evolution? a. Fossils and Cellular Structure b. Biological Structures c. Genetics/DNA d. All of the Above

d. All of the Above

How do adaptations help animals? a. To escape animals b. to hunt for food c. to survive in their habitats d. All of these are correct

d. All of these are correct

Where humans have bred organisms together based on traits we like. a. Evolution b. Natural Selection c. Extinction d. Artificial Selection

d. Artificial Selection

Where do adaptations come from? a. The individual organism decides to adapt b. Mutations that give an organism an advantage in its environment c. Genetic recombination during meiosis d. Both mutations and genetic recombination are sources of adaptation

d. Both mutations and genetic recombination are sources of adaptation

Mutations are a change in what? a. DNA b. tRNA c. genotype d. phenotype

a. DNA

What are the most studied animals in the galapagos? a. Finches b. Tortoises c. Turtles d. Lizards

a. Finches

Why is competition important for natural selection? a. It shows which variations are more successful, allowing the organisms with those variations to survive. b. It causes organisms, regardless of which traits they have, to die out, reducing the population size. c. It causes organisms to get stronger due to having to outcompete other species. d. Competition is not important for natural selection.

a. It shows which variations are more successful, allowing the organisms with those variations to survive.

Organisms that are better adapted to the environment survive to pass traits to their offspring a. Natural Selection b. Homeostasis c. Selective Breeding d. Extinction

a. Natural Selection

The long and sharp beak of a woodpecker is an example of: a. Natural Selection b. Selective Breeding

a. Natural Selection

The theory of evolution by natural selection means that what is changing over time? a. The inherited traits of a population. b. The acquired traits of a population. c. Hair color and eye color d. Attractive features.

a. The inherited traits of a population.

Genetic differences between organisms of the same species a. Variation b. Adaptation c. Behavior d. Environment

a. Variation

Which of the following would represent a sudden environmental change? a. Wildfire b. Global Warming c. Competition for food d. Desert encroachment

a. Wildfire

What is an adaptation? a. A feature that helps only a plant grow. b. A feature that helps a living thing survive. c. A feature that helps a living thing walk. d. A feature that that helps only animals survive.

b. A feature that helps a living thing survive.

Behavioral adaptations are: a. Body parts that help a living thing survive in its environment b. Behaviors that help a living thing survive in its environment

b. Behaviors that help a living thing survive in its environment

What process is being shown in this image? a. Variation b. Natural Selection c. Selective Breeding d. Homeostasis

b. Natural Selection

Where the better adapted organisms survive to pass traits along to offspring. a. Evolution b. Natural Selection c. Extinction d. Artifical Selection

b. Natural Selection

Do organisms "decide" to evolve and change? a. Yes, they know they need to change to survive b. No, they change because of natural selection

b. No, they change because of natural selection

Domesticated dogs are an example of: a. Natural Selection b. Selective Breeding

b. Selective Breeding

A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean? a. This is purely by chance and isn't significant b. The extinct dinosaur and modern bird share a common ancestor c. All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today d. Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

b. The extinct dinosaur and modern bird share a common ancestor

What is the advantage of having different shaped beaks? a. To look different from other species. b. To be able to eat the food readily available in the environment. c. To protect itself against predators. d. To protect itself against prey.

b. To be able to eat the food readily available in the environment.

These moths are all the same species. The differences between their wings is an example of ________________ a. Natural Selection b. Variation c. Homeostasis d. Extinction

b. Variation

Which of the following means "genetic change over time" a. natural selection b. speciation c. evolution d. fitness

c. evolution

Some organisms that share a common ancestor have features that have different functions, but similar structures. These are known as a. vestigial structures b. analogous structures c. homologous structures d. fossil structures

c. homologous structures

The more genetic variation a population has, the more likely it is for some individuals to a. evolve b. migrate c. survive d. mutate

c. survive

What word describes a trait that helps an organism survive in its environment? a. natural selection b. mutation c. camouflage d. adaptation

d. adaptation

Almost all adaptations started off as? a. selective breeding b. physiological c. structural d. mutation

d. mutation