Biology- Ecology Test

Animals that feed exclusively on plants are known as

• Carnivores

• herbivores

• omnivores

• producers

Use the creek food web to answer the following question. A small creek flows through a forest. A forest fire burned all the leaves but left the trees standing. This increased the amount of sunlight reaching the creek, but did not change any other conditions in the creek. As a result of the fire, which of these will MOST LIKELY increase in the creek?

• pike

• water beetles

• frogs

• aquatic plants

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of these describes the role of striped fish in the food web shown?

• decomposer

• producer

• parasite

• consumer

Tags

NGSS.MS-LS2-2

Use the estuary ecosystem diagram to answer the following question. Which of these BEST describes the role of the blue crab in the estuary ecosystem shown above?

• herbivore

• primary consumer

• secondary consumer

• carnivore

The interaction of a community with its environment forms:

• a habitat

• an ecosystem

• a population

• a food pyramid

Tags

NGSS.MS-LS2-3

The diagram shows the relationships between organisms in a pond ecosystem. In addition to sunlight, which factor would need to be added to make this a stable ecosystem?

• predators

• pray

• decomposers

• herbivores

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which statement concerning an ecosystem is correct?

• It involves interactions between biotic and abiotic factors

• It must contain consumers but can exist without producers

• It can exist with or without a constant source of energy input

• It can exist on land, but it cannot exist in lakes, rivers, or oceans.

Tags

NGSS.MS-LS2-3

The diagram shows a food web in a large park. Each circle represents a different species in the food web. Which of the organisms in the food web could be referred to as primary consumers?

• 7 only

• 5 and 6 only

• 2, 3, and 4 only

• 2, 5, and 7 only

Tags

NGSS.MS-LS2-3

Eggs of a wasp species are deposited inside the body of a gypsy moth caterpillar. The wasp eggs hatch into larvae, which feed on the caterpillar. The relationship that exists between the wasp larvae and the caterpillar is known as:

• mutualism

• parasitism

• commensalism

• amensalism

Tags

NGSS.MS-LS2-2

Leeches often attach to the tongue of a crocodile and feed on the crocodile’s blood. The Egyptian plover is a bird that flies into the mouth of the crocodile and eats the leeches. The crocodiles do not harm the plover. What term describes the relationship between the plover and the crocodile?

• commensalism

• mutualism

• parasitism

• prey-predator