Chapter 2 Review (Hill Biology)

Which of these levels of organization include all the other levels?

• Community

• Ecosystem

• Individual

• Population

Which would be an abiotic factor for a tree in the forest?

• Caterpillar eating its leaves

• Wind blowing through its leaves

• A bird nesting in its branches

• Fungus growing on its roots

Which term best describes a bee's role of gathering pollen?

• Niche

• Parasite

• Predator

• Habitat

Which type of heterotroph best describes this snake?

• herbivore

• carnivore

• omnivore

• detrivore

How does energy first enter a pond ecosystem?

• Through growth of algae

• Through light from the sun

• Through decay of dead fish

• Through runoff from fields

Which statement is TRUE about energy in an ecosystem?

• Energy from most ecosystems originates from the sun

• Energy most often is released as light from an ecosystem

• Energy flows from heterotrophs to autotrophs

• Energy levels increase towards the top of the food chain

What does this illustration represent?

• food web

• food chain

• ecological pyramid

• a pyramid of energy

Which organism in this illustration is an autotroph?

• frog

• grasshopper

• fox

• grass

Which of the following is a detrivore?

• cat

• mouse

• sunflower

• crawfish

What is the name of the process in which bacteria and lightning convert nitrogen into compounds that are useful to plants?

• ammonification

• denitrification

• nitrate cycling

• nitrogen fixation