Interdependence

Why is nitrogen necessary for the survival of plants?

• It is needed to produce food.
• It is needed to make protein.
• It is needed for reproducing.
• It is needed for photosynthesis.

High average daily temperature and heavy annual precipitation are found in a

• desert
• grassland
• rainforest
• tundra

Which biome has the MOST vegetation?

• forest
• tundra
• desert
• grassland

Which process directly adds carbon into the atmosphere

• increasing plant populations
• decreasing animal populations
• burning fossil fuels
• forming sedimentary rock

Which of the following processes is part of the carbon cycle?

• Decomposers put carbon into the soil by breaking down organic material
• factories remove carbon from the atmosphere by burning materials
• plants put carbon back into the atmosphere through the process of photosynthesis
• animals remove carbon from the atmosphere through the process of respiration

Energy pyramids are BEST used to represent

• how useful energy decreases as it flows through a food chain
• the carnivores need more energy than other organisms for survival
• the producers have less competition than other organism
• which organisms consume other organisms in a food web

Organisms contribute to the water cycle mainly through the process of

• irrigation
• evaporation
• precipitation
• transpiration

Nitrogen is made available in a useful form for animals in the

• plants they eat
• air they breathe
• rainwater they drink
• fertilizers they absorb

Which is an example of symbiosis?

• a tick feeding on a deer
• a lion hunting a zebra
• a dandelion growing in a grass lawn
• a dolphin communicating with another dolphin

Some wasp species lay their eggs inside living caterpillars. As the eggs mature, they use the caterpillar as a food resource. Eventually, the wasp larvae hatch out of the caterpillar. This type of relationship is BEST described as 

• predator-prey
• parasitic
• mutualistic
• commensalistic