ENV science post review

1. Using scientific information from chemistry and biology to devise a plan to clean up a lake and make it healthy again describes what division of science?

• ecology

• earth science

• social science

• environmental science

1. Which step in the experimental method are scientist conducting when they photograph birds in flight?

• observing

• hypothesizing

• drawing conclusions

• analyzing data

When making a decision about whether or not to build a dam, you are considering an economic value when you ask which of the following questions?

• Will the dam provide new leisure activities?

• Will building the dam destroy the natural resources?

• How many jobs will building the dam generate?

• Is it right to build a dam here?

The ozone layer is located in the

• stratosphere

• ionoshpere

• thermosphere

• troposphere

What part of the Earth encompasses all areas where organisms can live and obtain the energy they need?

• atmosphere

• biosphere

• hydrosphere

• lithosphere

The energy from most ecosystems comes from the

• green plants

• wind

• the sun

• all of these

In order for evolution to occur in a population, individuals with a trait that is “naturally selected for” must______________.

• live a long time

• leave the area

• reproduce

• coevolve

What is the main characteristic shared by bacteria, fungi, and plants?

• they have cell walls

• they have nuclei

• they are unicellular

• they have the ability to make their own food

If an insect eats a plant and a bird eats an insect, about how much energy from the plant is stored in the insect for the bird to use?

• 1 %

• 10%

• 50%

• 90%

Plants play a crucial role in the carbon cycle because they

• do not release CO₂ during cellular respiation

• allow carbon to enter an ecosystem through photosynthesis

• have special bacteria that live in their root systems

• are chemically converted into fossil fuels when burned