Keeping the Ecosystem Balanced

A ​ (a)   is a plant or animal species that naturally belongs in an ecosystem.

• Native Species
• Invasive Species
• Biodiversity

Tags

NGSS.MS-LS2-5

An ​ (a)   is a plant or animal species that is introduced to areas where they don't belong and cause harm to the environment

• Invasive Species
• Native Species
• Biodiversity

Tags

NGSS.MS-LS2-5

(a)   is all of the different plants and animals in an ecosystem.

• Biodiversity
• Native Species
• Invasive Species

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What factors are leading to the decline of bees in the ecosystem?

• habitat destruction

• pesticides

• too many bears

• disease among hives

• mice and other pests damaging hives

Tags

NGSS.MS-LS2-4

Why do bees need to pollinate flowering plants?

• To make them pretty

• to help them make seeds and fruit

• to make honey

• to keep their queen happy

Tags

NGSS.MS-LS1-4

What are consequences of bees disappearing?

• there will be fewer fruits and nuts

• no annoying buzz sounds

• animals would begin to struggle to find food

• many forests would have more bears

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the main reason that sharks are disappearing?

• They are running away to hide from people

• They are being eaten by giant squid

• they are being overfished by humans

• Schools of tuna fish are faster than sharks now so they can't eat them

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Sharks are at the top of the ocean food chain. What are these types of predators called?

• tippy top predators

• top predators

• winner winner chicken dinner

• apex predator

Put the following events in order

• The rays ate all of the oysters in the area and then began to get in oyster farmers' oyster beds looking for food.

• When the rays destroyed the oyster beds, the famers killed many of the rays, throwing off the balance of the ecosystem even more.

• Hammerhead sharks were overfished in Australia to protect beaches for swimmers.

• Once the sharks were gone, the number of their prey, rays, went up.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What does the word Invade mean?

• To walk into a room and ask directions

• To move into and sit down quietly

• To move into and harm

• To stay put