Science Minitest grade 6A-15-6

Interpret: Which of the following best describes a community on the Serengeti plains?

• The grasses, the soil, and the rocks.

• The umbrella trees

• The zebras, the northern black rhinoceros, and the umbrella trees.

• None of the above

Compare: Which statement describes a difference between predators and prey?

• Preys are types of plants, whereas predators are types of animals.

• Preys remain in one place, but predators move around within the ecosystem.

• Preys get energy only from plant materials, and predators eat only animals

• Preys are hunted for food, and predators capture and eat other animals to get energy.

Recognize: Grizzly bears’ diets consist of roots, tubers, berries, nuts, fungi, insects, rodents, and fish. What ecological role best describes grizzly bears?

• producers

• carnivores

• omnivores

• herbivores

Determine: There are different types of symbiotic relationships. What is an example of parasitism?

• Birds eating insects from the back of a hippopotamus

• Pilot fish swimming under sharks

• Ticks feeding off of dogs

• Bees transporting pollen from flowers

Analyze: Hyenas usually hunt for food alone, but some scientists discovered that hyenas would sometimes hunt with a pack of wolves. The hyenas benefit from being able to catch more food with a pack. The wolves benefit from the hyenas’ ability to break through bones and excellent sense of smell.

Which type of symbiotic relationship is this example of? Explain

Q.6 Define: Ecosystem is made up of living and nonliving things. It is divided to many levels of organization. What is the smallest unit in an ecosystem

Use the diagram below to answer the question.

The diagram shows an example of food web that occurs in forest ecosystem.

a) Give me an example of a predator- prey relationship -----

b) What will happen if the hawk population increased? --------------------------------------------------------------------------------------------

Use the diagram below to answer the question.

a) Give me an example of a herbivore ---------------------------

b) Give me an example of a carnivore-----------------------------

Describe: The Alligator Rivers region in Australia is home to a great variety of wildlife.

Describe briefly the biotic and abiotic part of this ecosystem

Describe the Levels of organization of the Tundra Ecosystem in the image below.