Chapter 5: Ecology & Evolution

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Angiospermophytes
Flowering plants with roots, leaves and woody stems.
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Platyhelminths
TAPEWORMS: Bilaterally symmetric; flat bodies; unsegmented; mouth but no ****.
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Annelida
LEECHES: Bilaterally symmetric; bristles often present; segmented; mouth and ****.
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Ecosystem
Community and its abiotic environment.
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Species
A group of organisms with similar characgteristics
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Heterotrophs
Consumers that cannot synthesize their own organic molecules.
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Trophic levels
An organism's position in the food chain.
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Classification
Kingdom, Phyla, Class, Order, Family, Genus, Species
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Porifera
SPONGES: No clear symmetry; attached to a surface; pores throughout body; no mouth or ****.
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Plant classificaiton
BUTTERCUP: Plantae, Angiorpermophyta, Dicotyledoneae, Ranales, Ranunculacae, Ranunculus, acris.
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Animal classificaiton
HUMAN: Animalia, Chordata, Mammalia, Primates, Hominidae, Homo, sapiens.
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Ecology
The study of relationships in ecosystems- both between organisms, and between organisms and their environment.
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Autotrophs
Organisms that can synthesize their own organic molecules
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Mollusca
SNAIL: muscular, shell usually present, segmentation not visible, mouth and ****.
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Genus
A group of similar species.
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Coniferophyta
PINES: Roots, narrow leaves with a waxy cuticle, woody stems, seeds in cones.
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Biotic factors
Living organisms in a community
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Arthopoda
SPIDERS: Bilaterally symmetrical; exoskeleton; segmented; jointed appendages.
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Changes in the size of a population
Immigration, emigration, natality, mortality.
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Abiotic factors
Non-living surroundings of a community: wind, water, stones, sand.
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Filicinophyta
FERNS: Roots; leaves, shoots; non-woody stems; spores produced in sporangia.
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Cnidaria
JELLYFISH: Radially symmetric; tentacles; stinging cells; mouth but no ****.
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Bryophytes
MOSSES: No roots, hair-like structures called rhizoids, spores in capsules.
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Habitat
The environment in which a species normally lives or the location of a living organism.
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Card 2

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TAPEWORMS: Bilaterally symmetric; flat bodies; unsegmented; mouth but no ****.

Back

Platyhelminths

Card 3

Front

LEECHES: Bilaterally symmetric; bristles often present; segmented; mouth and ****.

Back

Preview of the back of card 3

Card 4

Front

Community and its abiotic environment.

Back

Preview of the back of card 4

Card 5

Front

A group of organisms with similar characgteristics

Back

Preview of the back of card 5
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