6th grade- energy in ecosystems

Match it! Select the correct answer from the pull down...Good luck!

an environmental factor that prevents a population from growing is called a

which of these are NOT reasons that people think shark populations are declining?

Less food means fewer organisms can feed, which in turn will lead to

Most animals are only part of one food chain and eat one kind of food in order to meet their food and energy requirements

In a food pyramid, the producers are at the

It is so important for human beings to eat ____________ and ___________ to receive energy.

only about _____percent of the energy contained in a trophic level is transferred between levels

When there are more lions, the giraffe population will increase