Vocabulary/Homework 2/18-2/28
1. Biotic
The living components of an ecosystem.
Ex. Plants, animals, microorganisms
2. Abiotic
The non-living components of an ecosystem.
Ex: Wind, Sun, Water, Temp., Air
3. Population
A group of organisms of the same species in an ecosystem.
4. Community
A group of different populations interacting in an ecosystem.
5. Ecosystem
All the organisms living in a particular area, as well as all the
nonliving, physical components of the environment with which
they interact.
6. Biome
A region of land with characteristic climate, soil and organisms.
7. Niche
The role of an organism in an ecosystem.
8. Producer
Plants that use energy from the sun to make nutrients they need
to survive.
9. Consumer
Organisms that eat food made by producers.
10. Herbivore
An animal that eats only plant material.
11. Carnivore
An animal that eats only other animals.
12. Omnivore
An animal that eats other animals and plant material.
13. Predator
An organism that catches and eats other organisms of a different
species.
14. Prey
An organism that is caught and eaten by another organism of a
different species.
15. Scavenger
An organism that eats dead or decaying plant or animal matter.
16. Decomposer
Organisms that break down the cells of dead or waste materials
and absorb their nutrients.
17. Food Chain
A sequence of feeding relationships among living organisms, as
they pass on food energy.
18. Energy Flow
The movement of energy, which originally comes from the sun,
from one organism to another.
19. Food Web
The network of feeding relationships among organisms.
20. Symbiosis
An interaction between two organisms of different species living
in close proximity that lasts over time.
Vocabulary/Homework 2/18-2/28
21. Parasitism
A symbiotic relationship in which one of the partners is harmed
and the other benefits.
22. Mutualism
A symbiotic relationship in which both partners benefit.
23. Commensalism
A symbiotic relationship in which one partner benefits and the
other is indifferent.
24. Energy Pyramid
A pyramid showing the number of organisms at each level of a
food chain.
25. Succession
The process by which new species gradually replace old species
in an ecosystem.
Tuesday, 2/18: Make flashcards for vocabulary 1-12 and Vocab Wheel
(definition, use word in a sentence, illustration)
Wednesday, 2/19: Make flashcards for vocabulary 13- 25 and Vocab Wheel
(definition, use word in a sentence, illustration)
Thursday, 2/20 Draw an ecosystem with 7 biotic factors and 7 abiotic
factors on lineless paper. Must include a “Key”.
Monday, 2/24 Create a terrestrial and an aquatic food web with 3 food
chains and 4 levels.
Tuesday, 2/25 Make a foldable title “Three Types of Symbiotic
Relationships” (mutualism, parasitism, commensalism) must include
definition, two examples, and colorful illustrations on lineless paper.
Wednesday, 2/26 Create a poem using 12 vocabulary words with a colorful
illustration. No line paper.
Thursday, 2/27 “Biome” Divide your lineless paper in half. Select one
biome to illustrate on the top portion. On the bottom portion, describe the
biome including ecosystems, populations, habitats, abiotic factors, biotic
factors, temperature, climate, symbiotic relationships. This activity will be
started in class and finished for homework.