Interactions Of Organisms Question Preview (ID: 34050)
FCAT Symbiosis Practice.
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Michael Jordan observe that remoras are small fish that attach to sharks but do not harm them. When sharks tear prey apart, remoras eat the leftovers. What statement about the relationship between remoras and sharks is TRUE?
a) Remoras and sharks have a predator-prey relationship.
b) The relationship between remoras and sharks is an example of mutualism
c) The relationship between remoras and sharks is an example of parasitism.
d) The relationship between remoras and sharks is an example of commensalism.
Sam knows that hummingbirds share a mutualistic relationship with the flowers they feed on. Which of these statements about the relationship between the flower and the hummingbird is true?
a) Both the flower and the hummingbird are helped.
b) Both the flower and the hummingbird are harmed.
c) The flower is harmed, and the hummingbird is helped.
d) The flower is helped, and the hummingbird is harmed.
Mario wants to know what causes competition among organisms. Which would be the best explanation?
a) One organism tries to prey on the other organism.
b) Both organisms try to take on the form of the other.
c) One organism tries to live on or in the other organism.
d) Both organisms attempt to use the same limited resources.
Brad watched the Discovery Channel and saw a spider hide in an orchid flower. It captured and ate insects as they entered the flower. In which case could this be an example of mutualism?
a) if the spider is also eating part of the flower
b) if the spider’s actions do not affect the orchid plant
c) if the insects that the spider captures are harming the flower
d) if the insects that the spider captures are pollinating the flower
A desert is an ecosystem that has relatively high temperatures and low amounts of rainfall. Which of these should Tamaria select as a nonliving factor that can limit the size of a population in a desert?
a) food sources
b) parasites
c) predators
d) water
Which statement should Hugo select which describes a difference between producers and consumers?
a) All producers are types of plants, and consumers are types of animals.
b) Producers live on land, but consumers may live on land or in water.
c) Producers get energy only from consuming plant materials, and consumers get energy only from consuming other animals
d) Producers make their own food, and consumers eat other organisms to get food.
Last Christmas Troy learned that a mistletoe is a plant that grows on other plants. Its root-like structure reaches into the plants and draws out water and nutrients. What is the mistletoe’s role in this relationship?
a) host
b) prey
c) parasite
d) predator
Which of the following relationships is most like the predator-prey relationship?
a) symbiosis
b) parasitism
c) mutualism
d) commensalism
Ecosystems have producers, decomposers, and consumers. Carnivores and omnivores are both consumers in an ecosystem. Which of the following is a characteristic of omnivores that makes them DIFFERENT from carnivores?
a) omnivores eat only plant materials
b) omnivores always eat live animals
c) omnivores eat both plants and animals
d) omnivores are able to produce their own food
What is the primary source of energy used by producers during photosynthesis?
a) thermal energy from the sun
b) light energy from the sun
c) chemical energy from food and oxygen
d) chemical energy from carbon dioxide and water
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