Environmental Science Midterm Review

What is the definition of 'Biosphere'?

• All living organisms in an area

• All places on earth where life can live

• Group of organisms of the same species

• Single living thing.

Match the following vocab words to the correct definition: Ecology, Habitat, Niche, Keystone Species.

• Ecology

• The branch of biology which studies the interactions among organisms and their environment.

• Keystone Species

• Any organism, from animals and plants to bacteria and fungi—is the glue that holds a habitat together.

• Habitat

• The physical place where an organism or population resides in its environment, in which it is adapted.

• Niche

• The role or function of an organism or species in its environment.

The (a)   is a group of ecosystems with similar climates and organisms.

• Biome

• Community

• Population

• Organism

Fill in the blank: The variety of different types of organisms in a given place at a given time is known as _______.

What is another word for 'producer'?

• Consumer

• Autotroph

• Herbivore

• Carnivore

Match the following:

• Herbivores

• eat plants

• Omnivores

• eat plants and animals

• Carnivores

• eat meat

Describe what a producer is: An organism that makes its food- usually through the process of (a)   .

• Photosynthesis
• Respiration

• Digestion

Where does almost all energy on earth originate from? ________.

Which of the following is a primary consumer in the food web?

• A) Eagle

• B) Grasshopper

• C) Wolf

• D) Python

Match the following organisms with their roles in the food web: 1) Eagle 2) Grasshopper 3) Mangoes 4) Dragonfly

• Dragonfly

• Tertiary Consumer / Apex Predator

• Eagle

• Producer

• Grasshopper

• Primary Consumer

• Mangoes

• Secondary Consumer