Photosynthesis is used to produce food for plants. Plants are called autotrophs because they produce their own food. Animals are heterotrophs, meaning they eat their food. What do plants produce in photosynthesis that is used by animals and other heterotrophs?

Which biome contains many low growing plants that stay close to the ground for warmth?

Underground water is an example of

There are many different ecological and environmental conservation methods. Which is not a conservation method?

When a mother bear nurses a cub, she gives the cub what it needs for growth and development in the form of milk or food, which is the cub's source of

Forecasting the weather can be rather difficult. Meteorologists gather data from many weather stations, plot the data and then analyze the map to make the forecast. In order to have a more accurate forecast they look at measurements of temperature, humidity, dew point. atmospheric pressure, wind speed and direction. If there was a high dew point measurement along with high humidity; what would the forecast likely bring?

Plants make their own food and are called producers. What do plants need to make their own food?

The images show sets of organisms, with their offspring. Which of these offspring are NOT clones of their parents?

Red-hot steel ball bearings are dropped into a large bucket of cool water. Which graph BEST represents the changes in temperature that will occur?

Plants need three things to make their food. Which list is correct

The change from 1mol NaCl(s) → 1mol NaCl(l) illustrates the molar heat of ___________ and a(n) __________ reaction.

What process of the water cycle is described by heat from the Sun transforming the surface water of the ocean into vapor?

A particular plant bears large-sized fruits. Another variety of the same plant is resistant to pests. What process should be adopted to combine the traits of the two varieties of plants?

Beach sand is eroded by wind and water and if erosion is not prevented, people will have to come in later and dredge the beach. The sand fence was installed to prevent erosion. What else is used to prevent beach erosion in this case?

The burning of fossil fuels contributes to

An example of a synthesis is the Statue of Liberty turning green. Oxygen in the air combines with the copper statue to form copper oxide, which is green. Which of these is the correct chemical reaction for this?