4th Nine Weeks Exam--Environmental Factors And Body Systems Question Preview (ID: 37878)


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Which of the following is a biotic factor that could reduce a population of frogs?
a) water pollution from chemical fertilizers
b) drought that dries up ponds and puddles
c) an increase in aquatic bird poulations
d) a decrease in parasite flukes

When a jellyfish paralyzes a tiny fish with its tentacles, the fish is the
a) prey
b) predator
c) consumer
d) decomposer

In a marine ecosystem, the remora attaches to the belly of a shark and feed off the scraps. The shark is not afffected by the relationship. This is an example of which symbiotic relationship?
a) competetive
b) commensalism
c) parastitic
d) predator-prey

What would happen if there were no fungi and bacteria on Earth?
a) Earth would be buried in waste
b) Plants would grow excessive heights
c) The human population would increase
d) There would be no disease

Which of the following is MOST responsible for making a fallen tree decay and become an important part of the soil?
a) moisture
b) sunlight
c) insects
d) bacteria

Which ecosystem is found where fresh water of a river and salt water of the ocean meet?
a) estuary
b) neritic zone
c) surface open ocean
d) rocky intertidal zone

Which biome is most common in Africa?
a) Tiaga
b) Savanna
c) Temperate Forest
d) Desert

In a certain habitat, young deer were the main source of food for wolves. A severe snowstorm kills many of the young deer one year. Which of the following best describes what probably occurred the next year?
a) Some wolves died or moved to another habitat.
b) The deer moved south to have their young.
c) The deer population was completely destroyed
d) The wolves learned to eat producers.

What is the name of the small flap that seals off the trachea during swallowing?
a) pharynx
b) larynx
c) epiglottis
d) alveoli

The role of the respiratory system is to bring what substance into the body?
a) water
b) oxygen
c) carbon dixoxide
d) red blood cells

What kind of motion is possible with a hinge joint?
a) rotating
b) sliding
c) back and forth
d) side to side

Oxygen rich blood travels AWAY from the heart through
a) capillaries
b) veins
c) bones
d) arteries

Lichen results from a symbiotic relationship between algae and fungi. In this relationship each organism helps the other survive. This is an example of
a) parasitism
b) commensalism
c) mutualism
d) predator-prey

Decomposers depend on consumers because
a) consumers can produce their own food
b) dead consumers have nutrients in them
c) dead producers have nutrients in them
d) decomposers can produce food for consumers

After walking through a field, you find a tick attached to your leg. What is the tick's relationship to you?
a) pedator
b) host
c) parasite
d) prey

Ponds and rivers are two types of
a) marine ecosystems
b) rainforest ecosystems
c) freshwater ecosystem
d) estuary ecosystem

A bird eats a caterpillar that ate a tree leaf. The tree is an example of a
a) producer
b) consumer
c) decomposer
d) carnivore

Which organ system is responsible for removing or helping waste EXIT the body?
a) skeletal
b) nervous
c) excretory
d) muscular

If a person lacked platelets, which process could not take place?
a) carrying oxygen to cells
b) carrying glucose to cells
c) transfusing of blood
d) clotting of blood

Which biome, because of its climate (warm and humid), has the largest number of species of plants and animals?
a) tundra
b) desert
c) tropical rain forest
d) taiga

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