Biology Semester 1 Final Review

Looking at the diagram to the right, which of the following removes carbon in the atmosphere?

• Decay of once-living things

• Burning of fossil fuels

• Photosynthesis

• Animal Respiration

Which organism from the food web is a producer?

• Snake

• Grass

• Hawk

• Coyote

What organism from this food web is an Apex Predator?

• Snake

• Rabbit

• Mountain Lion

• Grasshopper

Which letter from the graph shows the carrying capacity of the environment?

• A

• B

• C

• None

Which of the following is an abiotic factor?

• Temperature

• Plants

• Animals

• Grass

Which letter from the graph shows a population decreasing?

• A

• B

• C

• None

An overlap in the niches of two different species will most frequently result in

• Intraspecific cooperation

• Mutualistic symbiotic relationship

• Hybridization of species

• Interspecific competition

Competition for food would be most severe between two:

• closely related species in different niches

• unrelated species in the same community occupying different niches

• closely related species in similar niches

• unrelated species in different communities

How might an invasive species threaten biodiversity?

• It may compete with native species for resources

• It may breed with native species and produce new species

• It may not be able to survive in its new habitat

• It may become prey for native species

Which of the following pairs of species are more closely related to each other than to the other species in the model?

• Crocodile & Bird

• Crocodile & Lizard

• Crocodile & Snake

• Crocodile & Tuatara