Unit E Key Terms

1
Unit E Key Terms
2
Our Planet-Life on Earth

• Biotic factor-living thing

3

Our Planet-Life on Earth

• Abiotic factor-non-living thing

4
Classification

• Classify-to put things into groups based on what
  they have in common

5
Classification

• Kingdom-the largest classification group used in
  science

6
Classification

• Species-a group of organisms that can reproduce
  and produce fertile offspring

7
Classification

• Producer-organism that gets its energy by making
  its own food

8
Classification

• Consumer-organism that gets its energy by eating
  food

9
Classification

• Unicellular-organism made of one cell (examples
  bacteria, protists, yeast)

10
Classification

• Multicellular-organism made of more than one cell
  (examples plants, animals)

11
E72-The Miracle Fish

• Ecologist-scientist that studies the relationship
  between organisms and environments

12
E72-The Miracle Fish

• Evidence-proof facts

13
E72-The Miracle Fish

• Trade-off-a risk that you accept in order to
  achieve a gain
• /-

14
Ecosystem Structure

• Organism-a single living thing

15
Ecosystem Structure

• Population-a group of organisms of the same
  species living in the same area

16
Ecosystem Structure

• Community-a group of populations (all the living
  things) in the same area

17
Ecosystem Structure

• Ecosystem-the living and non-living parts of an
  area

18
E73-Introduced Species

• Introduced species-organism that humans have
  introduced outside of the organisms normal range

19
E77-Ups and Downs

• Fluctuation-to change to rise and fall

20
E78-Coughing Up Clues

• Energy flow-the movement of energy through an
  ecosystem

21
E78-Coughing Up Clues

• Food web-a diagram that shows the feeding
  relationships within an ecosystem

22
E78-Coughing Up Clues

• Predator-an animal that hunts other animals for
  food

23
E78-Coughing Up Clues

• Prey-an animal that is hunted

24
E78-Coughing Up Clues

• Decomposer-organism that gets its energy by
  eating dead organisms and wastes

25
E79-Eating for Energy

• Photosynthesis-the process in which plants use
  sunlight as energy to convert carbon dioxide and
  water into food

26
E79-Eating for Energy

• Plankton-microscopic animals and plants that live
  in the water

27
Natural Resources

• Natural resource-anything in the environment used
  by people

28
Natural Resources

• Renewable-a resource that is always available or
  naturally replaced in a short period of time (a
  life time)

      ltgt
WIND
WATER
PLANTS
SUNLIGHT
29
Natural Resources

• Nonrenewable-a resource that is not replaced in a
  short period of time (a lifetime)

COAL
OIL
30
E80-Natures Recyclers

• Microbe-very small living thing

31
E82-The Cells of Producers

• Cell wall-part of a plant cell that surrounds the
  cell membrane and protects the cell

32
E82-The Cells of Producers

• Chloroplast-part of a plant cell where
  photosynthesis occurs

33
E83-A Suitable Habitat

• Habitat-type of place in which an organism
  normally lives

34
E84-Clam Catch

• Competition-when species compete for a limited
  resource, such as food or space

35
E85-Is There Room for One More?

• Carrying capacity-the maximum population of a
  species that can be supported its environment

36
E86-Taking a Look Outside

• Field study-an outdoor scientific investigation

37
E74-Observing Organisms

• Anthropomorphism-to give human characteristics to
  non-human living things

38
E74-Observing Organisms

• Ecology-study of the relationships between living
  organisms and the physical environment

39
E74-Observing Organisms

• Observation-information gathered with one of your
  five senses

40
E74-Observing Organisms

• Inference-an explanation for an observation

41
E74-Observing Organisms

• Anthropocentrism-to assume that an animals
  behavior is a reflection or reaction to the
  scientist

42
E75-Classifying Animals

• Invertebrate-an animal without a backbone

43
E75-Classifying Animals

• Vertebrate-an animal with a backbone

44
E75-Classifying Animals

• Genus-first part of a scientific name

45
E75-Classifying Animals

• Phylum (phyla)-the second largest classification
  group kingdoms are divided into phyla