CHAPTER 1-4 Flashcards

(34 cards)

0
Q

What is homeostasis?

A

Balance of our internal environment

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1
Q

What are the 6 characteristics of living things ?

A

Reproduction, growth, development, orderly structure, adaptation, evolution

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2
Q

What is the scientific method?

A

-Problem/question
-Research
-Hypothesis
-Experiment
.Collect data
-Analyze data
-conclusions

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3
Q

What is biology?

A

The study of living things

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4
Q

What is ecology?

A

How organisms interact with their environment

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5
Q

What is the difference between quantitative and descriptive methods of observation?

A

Quant.= numbers

Descriptive=observation

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6
Q

What part of the planet supports living things?

A

Biosphere

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7
Q

What are abiotic factors and give examples

A

Nonliving components in the biosphere- rocks, air, soil, temperature

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8
Q

What are biotic factors and give examples

A

Living components of the biosphere-animals, plants

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9
Q

What are the ecological levels of organization?

A
Organisms 
Population
Community 
Ecosystem 
Biosphere
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10
Q

Where an organism lives is its_____

A

Habitat

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11
Q

What is a niche?

A

Job or role an organism has in its ecosystem

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12
Q

What is symbiosis?

A

Relationship between two different species where at least one organism benefits

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13
Q

What is commensalism ?

A

One species benefits, one is neither harmed nor benefitted

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14
Q

What is mutualism?

A

Both species benefit

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15
Q

What is Parasitism ?

A

One benefits and the other is harmed

16
Q

What are producers?

A

Plants, produce their own energy

17
Q

What are consumers?

A

Eat producers and other consumers, animals

18
Q

What are the 5 different types of consumers?

A

Herbivores, carnivores, omnivores, scavengers, decomposers

19
Q

What are other names for consumers and producers?

A

Heterotrophs and autotrophs

20
Q

What are the three different ecology pyramids?

A

Pyramid of numbers, energy, biomass

21
Q

What is a Trophic level?

A

Each stage in the ecological pyramids

22
Q

Which pyramid shows amount of organisms in each Trophic level?

23
Q

Which pyramid shows the measurements in kg?

A

Pyramid of biomass

24
Which pyramid shows the % of energy in each Trophic level?
Energy
25
What are examples of limiting factors?
Weather, food, water, shelter
26
What's range of tolerance?
Ability of an organism to withstand fluctuations in Biotic and abiotic factors
27
What is the difference between a food chain and web?
Food web: ALL of the food relationships in an ecosystem Food chain: autotrophs to heterotrophs E.g. - plant-> grasshopper-> bird
28
What is an S shaped growth graph?
Reached climax community
28
What is a J shaped growth graph?
Continually growing
29
Linear growth is _____ growth
Steady
30
What is the ability to cause change?
Energy
31
What is the gradual change in species through adaptations over time?
Evolution
32
What is an inherited behavior that enables an organism to respond to environmental factors?
Adaptation