Plant ecology

Competition between individuals of the same species for limited resources is density-dependent liming factors.

• True

• False

The _________________ is the sum of all ecosystems on Earth.

__________________ is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.

Which one is an example of abiotic factor?

• Fish

• Apple tree

• Water

• Lion

Choose the correct answer

• A. Decomposers break down waste and dead organism; example: worms

• B. Carnivores get energy from eating other animals; example: cows

• C. Producers are unable to make their own food; example: plants

• D. Omnivores get energy from eating other plants; example: sharks

Plants are

• chemoautotrophs

• photoautotrophs

• chemoheterotrophs

• photoheterotrophs

Goose bumps is an example of____________

• A. Physiological response

• B. Anatomical response

• C. Behavioral response

• D. All of them

• E. None of them

Which type of species interaction that both species have benefit?

• A. Competition

• B. Mutualism

• C. Predation

• D. Pathogens

• E. Commensalism

Which one describes correct order in food chain?

• A. Primary consumer- Secondary consumer- Tertiary consumer-Producer

• B. Producer-Decomposer- Primary consumer- Secondary consumer

• C. Primary consumer- Producer- Secondary consumer- Tertiary consumer

• D. Producer- Primary consumer- Secondary consumer- Tertiary consumer

Which of the following events would result in primary succession?

• Flooding/landslides

• Fire

• Lava flow

• Human disturbance (e.g. agriculture)