Quiz 1 Preparation- Ecosystem

Which of the following adaptations best​ explains how pine trees are able to prevent water loss or damage from freezing temperatures?

• Pine trees have thick bark

• Pine cones produce seeds.

• Pine tree roots go deep underground.

• Pine needles are thin and have a wax coating.

An adaptation that helps a cactus live in the desert is its

• wide, flat leaves to catch water

• bright green color

• thin, spiny needles

• tall stems

Desert plants have a coat of wax on their leaves to

• keep water from escaping

• protect them from animals eating them

• absorb water from the air

• release scent to attract animals

Most desert plants have spines. How does this adaptation help them survive in a harsh environment?

• The spines capture water
• The spines make it colder
• The spines will make it rain
• The spines will protect the plant from animals that want to eat it

What is an invasive species?

• A native (naturally found) species which are added to an area. 
• A non-native (not naturally found) species added to an area. 
• A keystone species in an environment
• none of the above

Invasive species alter the ecosystem by _____ in number quickly. This leads to _____ food for the native species.

• increasing, less

• increasing, more

• decreasing, less

• decreasing, more

A species that is not native to an area is called a ---

• Native Species.

• Natural Species.

• Invasive Species.

• Symbiotic Species.

In the food chain 'grass --> grasshopper --> frog --> snake --> eagle', what organism is the producer?

• Grass

• Grasshopper

• Frog

• Snake

• Eagle

Tell whether each animal is a carnivore, herbivore, or omnivore.

What is this called?

• Food Web
• Food Chain
• Abiotic Factors