Ecology Unit Test Practice part 1

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

Scientists classify organisms that can make their own food by making sugars as autotrophs. Which of the organisms below are autotrophs and make their own food?

Mistletoe is a plant that sends its roots into the oak trees to get water and nutrients from the trees which harms the trees. This is an example of what type of symbiosis?

Which of these describes a relationship called mutualism between two organisms?

What is the ORIGINAL source of MATTER that the otter uses as food?

In the ocean scene, which of the following are MOST LIKELY the top predators of the food web?

Which pair of organisms listed below are in competition for the same natural resources?

Roberto feeds his pet iguana a mixture of salad greens, carrots, squash, crickets, and worms as part of his regular diet. What type of consumer is the iguana?

In a pond area, which of the following is a producer in this ecosystem?