energy pyramid/ food web R

Which organism is the tertiary species (apex predator) in this food web

• hawks

• terrestrial plants

• heron

• snail

Tags

NGSS.MS-LS2-3

Only a small amount of the energy consumed by an organism is available to flow to the next organism in a food web. Which of the following statements explains the reason for this?

• Most of the energy is used for life processes.

• Primary and secondary consumers compete for food

• There are many more producers than consumers in a food web.

• There are many more consumers than producers in a food web.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

A forest fire destroys the majority of the trees in a state park. Which effect will this most likely have on secondary consumers in that ecosystem?

• The amount of available energy will increase because there will be fewer predators in the forest.

• The amount of available energy will increase because there will be less competition from producers.

• The amount of available energy will decrease because fewer primary consumers will survive the lack of plants.

• The amount of available energy will remain constant because secondary consumers are not reliant on primary consumers.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which organisms compete for food?

• hawk, lynx, and fox

• hawk, lynx, and willow

• hawk, shrew, and willow

• hawk, insect, and willow

Tags

NGSS.MS-LS2-1

If there are 100 Kcal of energy available in the producers, how much energy would be available in the primary consumers?

• 10 Kcal

• 1 Kcal

• 100 Kcal

• 1000 Kcal

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In this ecological pyramid which type of consumer gets only 10% of the energy stored in plants?

• Herbivore
• Carnivore
• Omnivore
• Secondary Consumer

Tags

NGSS.MS-LS2-3

Which organism do the owl and the weasel compete for in the food web?

• Hawk

• Spider

• Grasshopper

• Shrew

Tags

NGSS.MS-LS2-2

Based on the image, which organism recieves the least amount of energy from the producer?

• Owl

• Grasshopper

• Lilypad

• Mouse

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The mouse in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

Tags

NGSS.MS-LS2-2

According to the food web, what does the toad eat?

• Rabbits

• Snakes

• Predacious insects

• Foxes