Name:Date:Food Webs1. What is composed of several food chains inan ecosystem that intersect and depend on2. In an ecosystem, how are food webs andfood chains different?one another?a. Food webs begin with animals, andfood chains begin with plants.b. Food webs rarely begin with plants,and food chains begin with animals.c. Food webs show the relationshipbetween many different food chains ina. nicheb. feeding levelC. energy pyramidfood weba single ecosystem.d. Food chains show the relationshipbetween many different food webs in asingle ecosystem.3. Some scientists think that a food web withmany connections is more stable than onewith few connections.4. Which organisms can be found at the first, orlowest, trophic level?a. herbivoresa. Trueb. carnivoresb. FalseC. heterotrophsd. autotrophsS. An organism which lives on or in anotherorganism and derives its nutrition from thatorganism is a(n)6. Any organism that must obtain its food froma source outside itself is a(n)a. autotroph.a. autotroph.b. heterotroph.• parasited. saprophyte.b. heterotroph.C. parasite.d. saprophyte.Which type of organism breaks down thecells of dead organisms?8. Which is a consumer?2 cowa producerb. grassc. mushroomd. peach treeb. consumerC. decomposerd. omnivore

Ecology is the study that deals with the interaction of the organism with their surroundings.…

Answered: 1. What is composed of several food…

1. What is composed of several food chains in an ecosystem that intersect and depend on one another? a. niche b. feeding level C. energy pyramid • food web

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter54: Ecosystems And Global Change

Section: Chapter Questions

Problem 1TYK

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Concept explainers

Communities and Ecosystems

Ecology contains two words: Eikos means dwelling, and logy means to study, so the combined meaning is studying habitat or living.

Question

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Name:
Date:
Food Webs
1. What is composed of several food chains in
an ecosystem that intersect and depend on
2. In an ecosystem, how are food webs and
food chains different?
one another?
a. Food webs begin with animals, and
food chains begin with plants.
b. Food webs rarely begin with plants,
and food chains begin with animals.
c. Food webs show the relationship
between many different food chains in
a. niche
b. feeding level
C. energy pyramid
food web
a single ecosystem.
d. Food chains show the relationship
between many different food webs in a
single ecosystem.
3. Some scientists think that a food web with
many connections is more stable than one
with few connections.
4. Which organisms can be found at the first, or
lowest, trophic level?
a. herbivores
a. True
b. carnivores
b. False
C. heterotrophs
d. autotrophs
S. An organism which lives on or in another
organism and derives its nutrition from that
organism is a(n)
6. Any organism that must obtain its food from
a source outside itself is a(n)
a. autotroph.
a. autotroph.
b. heterotroph.
• parasite
d. saprophyte.
b. heterotroph.
C. parasite.
d. saprophyte.
Which type of organism breaks down the
cells of dead organisms?
8. Which is a consumer?
2 cow
a producer
b. grass
c. mushroom
d. peach tree
b. consumer
C. decomposer
d. omnivore

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