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Energy Flow in Ecosystem

Total questions: 15

Worksheet time: 11mins

Name
Class
Date
1.

What is “Food Web”?

a)

Consists of many overlapping food chains in an ecosystem.

b)

an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

c)

the intellectual and practical activity encompassing the systematic study of the structure and behaviour

d)

all are correct

2.

From were come the “Energy Ecosystems”?

a)

pepsi & coca cola-

b)

cows & grass

c)

dirt & snow

d)

sunlight & producers

3.

What happens when organism consume food?

a)

they go to the bathroom

b)

When an organism consume food it obtains energy and matter used to carry out life activities

c)

they drink water

d)

a liquid dish, typically savoury and made by boiling meat, fish, or vegetables etc. in stock or water.

4.

What are Omnivores?

a)

a cell that carries information

b)

any nutritious substance that people or animals eat or drink or that plants absorb in order to maintain life and growth.

c)

consist of many overlapping food chains in a ecosystem

d)

are the only ones that eat both plants and animals.

5.

Which is the level with great and least energy?

a)

food chains & food webs

b)

put (food) into the mouth and chew and swallow it.

c)

The level with the greatest energy is the producers and the least energy are the consumers

d)

food & water-

6.

Why is only 10 percent of the energy in the food web.?

a)

:D

b)

when an organisms consumes food it obtains energy and matter ,and used to carry out activities.

c)

it limits how many different levels a food chain can have.

d)

not this one-

7.

What are consumers?

a)

organisms may play more than one role in an ecosystem

b)

they obtain energy by feeding on others organisms

c)

a colourless, transparent, odourless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.

8.

What are Herbivores?

a)

are the only one that eat tortillas and baleadas.

b)

are the only ones that eat fish and shrimp

c)

are the only ones that only plants and other organisms

d)

all are correct

9.

What are the energy role based in?

The energy role is base on the way organisms obtain food and interact with other organisms.

a)

true

b)

false

10.

how would the food chain change if any animal changes their diet?

a)

an organisms that can make it owns food

b)

it depends on what animal or plant they choose to eat but they have to be easily obtainable

c)

they could die

d)

I feel alive , but im DED

11.

What are Carnivores?

a)

are the only ones that eat humans

b)

are the only ones that eat meat

c)

are the only one that eat soup

d)

all are correct

12.

What is “Food Chains”?

a)

is a structure that permits a neuron to pass an electrical or chemical signal to another neuron or to the target effector cell.

b)

the network of nerve cells and fibres which transmits nerve impulses between parts of the body

c)

is when you eat and never stop-

d)

is one way to show how energy and matter move through an ecosystem

13.

Are tips of consumers?

a)

gas, energy pyramids, ABSTENTIOUS.

b)

carnivores, herbivores, omnivore

c)

sand, water,energy

d)

all are correct

14.

What decomposers do?

a)

obtains energy by feeding other organisms

b)

they eat grass

c)

They break down biotic wastes and dead organisms, returning the raw materials to the ecosystem

d)

is the series of event in which one organisms eats another and obtains energy and nutrients

15.

What are some different models of energy and matter?

a)

Food chains

b)

Food webs

c)

Energy Pyramids

d)

All are correct