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BJU Life Science > Chapter 16 Test > Flashcards

Chapter 16 Test Flashcards

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Biology 101 flashcards
1
Q

Morning glories open in the morning and closet at night. This is an example of

A

circadian rhythm

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2
Q

All the brook trout living in Sideling Hill Creek are an example of a _________

A

population

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3
Q

An ecologist should consider these factors before introduction a new species into a different ecosystem

A
  • how the new species will affect other organisms
  • how other organisms will affect the new species
  • how abiotic factors will affect the new species
  • how the new species will affect the abiotic factors
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4
Q

Organisms that manufacture their own food and supply usable energy to other organisms

A

Producers

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5
Q

A period of inactivity in plants

A

dormancy

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6
Q

Describes organisms that are active at night

A

Nocturnal

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7
Q

Changes in an ecosystem that takes place once per year

A

season rhythms

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8
Q

Individual plants that can survive year after year

A

perennials

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9
Q

Changes in an ecosystem that takes place every 24 hours

A

Circadian rhythm

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10
Q

The internal clock that controls many organisms’ daily rhythms

A

biological clock

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11
Q

The ecosystem of a pond would include:

A
  • sunlight
  • Paramecium caudate
  • the water temperature
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12
Q

Hibernation includes

A
  • lowered body temperature
  • slowed metabolism
  • seasonal rhythms
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13
Q

Cellular respiration takes place in _________

A

all organisms

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14
Q

A chipmunk hibernating through the cold winter is an example of this

A

the abiotic environment affecting the biotic community

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15
Q

A factor in a habitat that restricts the growth or existence of an organism is known as this

A

limiting factor

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16
Q

These two major biological processes that drive carbon and oxygen cycles are

A

photosynthesis and cellular respiration

17
Q

The abiotic environment of an ecosystem may contain all of these

A
  • substrate
  • water
  • light
18
Q

Plants that survive the winter only as seeds are ________

A

annuals

19
Q

The study of organisms in their habitats

A

ecology

20
Q

A limited area in which living and nonliving things interact

A

ecosystem

21
Q

All the nonliving factors in an ecosystem

A

abiotic environment

22
Q

All the living organisms in an ecosystem

A

biotic community

23
Q

An area where an organism lives

A

habitat

24
Q

An organism’s role or function in an ecosystem

A

niche

25
Q

An ecosystem that has a large amount of water

A

aquatic

26
Q

Decaying plant and animals materials

A

humus

27
Q

The continuous movement of water from the atmosphere to the ground and back to the atmosphere

A

water cycle

28
Q

One who studies the effects of outside factors on an environment

A

ecologist

29
Q

Small plants and algae in the early stages of changes in the biotic community

A

pioneer species

30
Q

Precipitation that enters the soil

A

groundwater

31
Q

Migration and hibernation are to seasonal rhythm as nocturnal and diurnal are to _____________

A

circadian rhythm

32
Q

One factor ecologists often have trouble determining the effect of ________ _______ on an ecosystem

A

outside factors

33
Q

What plays an important role in the nitrogen cycle

A

Bacteria

34
Q

The movement of water from earth to the atmosphere

A

evaporation

35
Q

Biochemical cycles occur in

A

both aquatic ecosystems and biotic ecosystems

36
Q

Species ______ adapt to their habitat by evolving new characteristics

A

do NOT

37
Q

This is a limited area in which living and nonliving things interact. Examples would an aquarium, a mountain valley, or a pond

A

ecosystem

38
Q

What an organism does. An example is an animal that chases another animal and eats it

A

niche

39
Q

All the living organisms in an ecosystem

A

biotic community

BJU Life Science (21 decks)

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