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Flashcards in CHAPTER 1-4 Deck (34)
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What are the 6 characteristics of living things ?

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

1

What is homeostasis?

Balance of our internal environment

2

What is the scientific method?

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

3

What is biology?

The study of living things

4

What is ecology?

How organisms interact with their environment

5

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

Quant.= numbers
Descriptive=observation

6

What part of the planet supports living things?

Biosphere

7

What are abiotic factors and give examples

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

8

What are biotic factors and give examples

Living components of the biosphere-animals, plants

9

What are the ecological levels of organization?

Organisms
Population
Community
Ecosystem
Biosphere

10

Where an organism lives is its_____

Habitat

11

What is a niche?

Job or role an organism has in its ecosystem

12

What is symbiosis?

Relationship between two different species where at least one organism benefits

13

What is commensalism ?

One species benefits, one is neither harmed nor benefitted

14

What is mutualism?

Both species benefit

15

What is Parasitism ?

One benefits and the other is harmed

16

What are producers?

Plants, produce their own energy

17

What are consumers?

Eat producers and other consumers, animals

18

What are the 5 different types of consumers?

Herbivores, carnivores, omnivores, scavengers, decomposers

19

What are other names for consumers and producers?

Heterotrophs and autotrophs

20

What are the three different ecology pyramids?

Pyramid of numbers, energy, biomass

21

What is a Trophic level?

Each stage in the ecological pyramids

22

Which pyramid shows amount of organisms in each Trophic level?

Numbers

23

Which pyramid shows the measurements in kg?

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