The Organizations of Life

Which of the following pairs of organisms belong to the same population?

• a dog and a cat

• a marigold and a geranium

• A human mother and her child

• a spider and a cockroach

Which of these phrases does NOT describe part of the process of evolution by natural selection?

• The environment contains limited resources

• organisms produce more offspring than will survive to reproduce

• communities include populations of several species

• organisms in a population differ in their traits

Which of the following components of an ecosystem are NOT abiotic factors?

• Wind

• Small Rocks

• Sunlight

• Tree branches

Some snakes produce a powerful poison that paralyzes their prey. This poison is an example of

• Resistance

• an adaptation

• a reptile

• an abiotic factor

Angiosperms called roses come in a variety of shapes and colors as a result of

• Natural selection

• Co-evolution

• Different ecosystems

• Artificial Selection

Single-celled organisms that live in swamps and produce methane gas are

• Protists

• Archaebacteria

• Fungi

• Eubacteria

Which of the following statements about protists is NOT true?

• Most of them live in water

• Some of them cause diseases in humans

• They contain genetic material

• Their cells have no nucleus

Which of the following statements about plants is NOT true?

• They make their food from oxygen and water through photosynthesis

• Land plants have cell walls that help hold their stems upright

• They have adaptations that help prevent water loss

• Plants absorb nutrients through their roots

What is the term for the area where organisms live together with their physical environment?

• Biome

• Biosphere

• Ecosystem

• Population

Which of the following describes the theory of natural selection?

• Organisms with desired traits are selected for reproduction

• Heredity determines which organisms will survive in their environment

• Traits are developed in organisms in response to interaction with other organisms

• Organisms with strong survival traits are more likely to pass on the traits in reproduction.