A forest area is being used for a new housing development. Most of the trees have been removed to make room for the new houses. Predict the impact that this will have on the birds in the area.

A The bird populations will decrease because humans will hunt them
B The bird populations will stay the same because birds can easily adapt to less nesting areas.
© The bird populations will decrease due to the increased competition for resources such as food and nesting sites.
D The bird population will increase because humans will provide bird houses

C The bird populations will decrease due to the increased competition for resources such as food and nesting sites.

Look at the diagram below of a food web. The arrows show the direction of energy flow. Each arrow points from the organism that is consumed to the organism that consumes it. Use the information in the food web to answer the question.

Give one example of an organism from this food web that makes its own food
Give one example of an organism from this food web that eats only plants
Give one example of an organism from this food web that eats only animals.
DRAG & DROP THE ANSWER
Squirrel
Pine Tree
Fox

- Organism that makes its own food: Pine Tree

- Organism that eats only plants: Squirrel
- Organism that eats only animals: Fox

What is considered to be the greatest threat to species today and is the main cause of endangerment of species?

A. loss of habitat due to human activities
B. extreme natural events
C. lack of genetic variation
D. symbiotic relationships

A. loss of habitat due to human activities

What is the original source of energy for most ecosystems?

A) Humans
B) Animals
© The Sun
D Grass

C) The Sun