Q3 T2 SCIENCE

In which of the following options can competition occur?

• a. Between two organisms that are attempting to use different resources that are in short supply.

• b. Between two organisms that are attempting to use the same resource that is in short supply.

• c. Between two organisms that are attempting to use the same resource that is in limitless supply.

• d. None of the above

Which of the following do plants usually compete for?

• a. light only

• b. soil nutrients only

• c. carbon dioxide only

• d. both A and B

In which of the following options does inter-competition occur?

• a. Between organisms of the same species that are attempting to use the same resource in an ecosystem.

• b. Between organisms of different species that are attempting to use the same resource in an ecosystem.

• c. Between organisms of different species that are attempting to use different resources in an ecosystem.

• d. None of the above.

What is an ecosystem?

• a. All the organisms of an area

• b. All abiotic factors of an area

• c. All the non-living components of an area

• d. All the organisms and non-living components of an area

Which is the correct definition of a carnivore?

• a. An animal that consumes plant material only.

• b. An animal that consumes both plant and animal material.

• c. An animal that consumes animal material only.

• d. All of the above.

What relationship exists between a wolf and a deer in the grassland?

• a. commensalism  

• b. predation

• c. parasitism

• d. mutualism

Which of the following is NOT a biotic factor?

•  a. Algae

• b. Soil nutrients

• c. Walrus

• d. Mayfly

Which of the following is the process in plants refers to pulling of CO2 from the atmosphere to make food?

• a. solidification

• b. deforestation

• c. decomposition

• d. photosynthesis

Collectively, physical factors such as light, temperature, and moisture that affect an organism's life and survival are called the_?

• a. biotic components

• b. habitats

• c. ecosystem

• d. abiotic components

Living things have basic needs. Which of the following are considered as basic needs of living things?

• a. food, clothing, shelter, love, care, and concern

• b. food, water, human, adaptation, and soil nutrients

• c. water, air, habitat, soil, protection, and behavior

• d. air, sunlight, soil, water, food, and habitat