biology quiz

natural selection is...

• Gradual change in a species overtime

• When humans breed animals for desired traits

• Animals select what food they will eat

• when organisms better adapted to their environment tend to survive and produce more offspring

Why were there more grey mice than peach mice after the haws attacked ?

• The peach mice ran away

• because the grey mice blended in with their surroundings

• Because they hid behind the peach mice

• The grey mice ate the peach mice

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Mutations are always bad

• true

• false

Which of the following statements are true about species

• They are a group of similar organisms

• They all have the same phenotypes

• They can mate with each other and produce offspring

• They live only in africa

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The variety of life that can be found on earth

• Natural Selection

• Variation

• Biodiversity

• Phenotype

Artificial Selection is ....

• When get a mutation

• When animals choose who their partner will be

• When humans breed animals for desirable traits

• When humans give animals artificial food

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What is a slight difference in the appearance of individual members of a species

• Artificial Selection

• Natural Selection

• Evolution

• Variation

Variations are caused by mutations or or changes in genes

• true

• false

What are organisms observable traits and characteristics called

• Genotype

• Variation

• Phenotype

• Mutation

what do animals need to keep to survive

• Legs

• Homeostasis

• Life

• Heartbeat