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AP Biology 101 > biology 13-14 > Flashcards

biology 13-14 Flashcards

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1
Q

Define ecology

A

The study of interactions among living things.

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2
Q

list the levels of ecological organization in order from smallest to largest

A

Organisms, population, community, ecosystems, bio something.

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3
Q
  1. Explain the difference between biotic and abiotic factors. Give examples of each.
A

Biotic–living factors (bacteria), abiotic–nonliving factors (weather)

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4
Q
  1. Define biodiversity. Why is it important?
A

?

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5
Q
  1. What is a keystone species?
A

An organism that has an unusually large effect on its environment.

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6
Q
  1. Explain the difference between autotrophs and heterotrophs. Give an example
A

auto trips, producer (plants) heterotrophs, consumer (eat)

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7
Q
  1. What is a food chain?
A

a sequence that links species by their feeding relationship.

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8
Q

B. Explain the difference between carnivores and herbivores.

A

Carnivores, consuming other animals only. Herbivores, eat only plants. Omnivores, eat both.

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9
Q
  1. Explain the difference between detritivores and decomposers .
A

detritivores, consume dead matter. decomposers, is a type of detritivores that drank down organic matter.

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10
Q
  1. What is a food web?
A

A model that shows the complex network of?

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11
Q
  1. Describe the water cycle.
A

The flow of water from the atmosphere to the surface, to below ground, and then back.

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12
Q
  1. What 2 processes cycle oxygen through the atmosphere?
A

Photosynthesis and respiration.

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13
Q
  1. What Organism fixes nitrogen a form we can use?
A

Bacteria

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14
Q
  1. What happens to the amount of energy as you move up the food chain?
A

It decreases 90%.

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15
Q
  1. What does a pyramid of numbers show?
A

The number of individuals and in atropic level.

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16
Q
  1. Explain the difference between niche and habitat.
A

Habitat, environment where an organism lives. Niche, how an organism lives

17
Q
  1. What does the competitive exclusion principle state?
A

if the two organisms compete for the same limited resources one will be pushed out made extinct.

18
Q
  1. What are ecological equivalents?
A

to organisms that live in similar habitats far away from each other.

19
Q
  1. Define competition.
A

Two organisms fight for a limited resource.

20
Q
  1. Explain the difference between intraspecific competition and interspecific competition.
A

Intraspecific, two of the same species compete. Interspecific, to use different species compete.

21
Q
  1. Define predation.
A

An organism captures or eats another organism.

22
Q
  1. Define symbiosis.
A

A close relationship between two or more different organisms.

23
Q
  1. What are the 3 types of symbiosis? Explain each.
A

?

24
Q
  1. How do you calculate population density?
A

number of individuals/area square

25
Q
  1. Describe the 3 dispersion patterns and what causes each.
A

uniform, evenly distributed. Clumped,? Of animals. Random, no order, no specific place.

26
Q
  1. Describe the 3 types of survivorship curves.
A

?

27
Q
  1. Explain the difference between immigration and emigration.
A

Immigration, movement into an environment. Emigration, out of an environment.

28
Q
  1. Explain the difference between logistic growth and exponential growth. Draw a graph for each.
A

?

29
Q
  1. What is carrying capacity?
A

Number of individuals environment can support.

30
Q
  1. What is a limiting factor?
A

Factor that limits population growth.

31
Q
  1. Explain the difference between density-dependent limiting factors and density-independent limiting factors. Give 2 examples of each.
A

Density dependent.
A density dependent factor is a limiting factor that depends on population size. A Density-independent limiting factor affects all populations in similar ways, regardless of the population size.

32
Q
  1. What is succession?
A

Sequence of biotic changes that regenerate a damaged community in a previously uninhabited area.

33
Q
  1. Explain the difference between primary and secondary succession.
A

Primary succession begins in areas where no soil is present.
Secondary succession occurs in areas where there is soil already present.

AP Biology 101 (12 decks)

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