Transcript Slide 1 - TeacherWeb

Ecology Summative Test Review
• Carnivore examples: wolf, tiger
• Plants are producers and is able to convert sunlight
into stored energy called food; herbivores eat plants
and are primary consumers; omnivores eat both
plants and animals and are secondary consumers.
• Herbivore examples: DEER , COWS
• Producer examples: trees and tulips
• Consumer examples: deer, tiger, wolf, cow
• Arrows in food web represents the transfer of energy
and matter
• Food web is a diagram showing the feeding
relationships and the transfer of matter between
organisms
• The sun is the source of energy for all organisms
because it provides the energy needed for producers
to make food.
• Decomposers examples: bacteria, mushrooms,
microorganisms.
• Decomposer use dead organisms for food like a
dead tree limb.
• Tropical rain forest biome would have at least 200
cm of precipitation a year and include large woody
vines, monkeys, sloths and boa constrictors; it also
would have the largest variety of life forms.
• Estuary is an area where fresh water mixes with
salt water.
• Georgia has four distinct seasons and organisms
such as deer, oak trees, pine trees and foxes. This
biome is a temperate deciduous forest.
• Habitat is a place where a member of a community
lives and finds food.
• Eagle and owl has a competitive relationship because they
both eat the snake and rat.
• Organisms that obtain energy from the snake would be the
owl or eagle.
• First level consumer would be a rat.
• When the rat population would decrease the grass
population would increase.
• If the # of snakes increased the rats would decrease.
• If something destroyed the grass the rats would be the first
to decrease.
• The producer in this food web is the grass.
• Decomposer would be the mushroom.
• When classifying a biome, you look at the climate in the
region.
• The order from least to most precipitation in biomes is:
(Desert, tundra), (grasslands, taiga), temperate
deciduous forest, tropical rain forest.
• Limiting Factors are things that restrict the growth of a
population.
• Pioneer species are the first organisms to move into an
ecosystem.
• Climax communities have stable stages of both plants
and animals.
• If the mice population in an area increases noticeably in
a few years then perhaps the mice’s main predator has
been eliminated by human development.
• Tick is an example of a parasite.
• Desert animal examples: kangaroo rat, snakes, lizards
• An increase in competition of food causes a decrease in
the number of organisms that eat the same food.
• Lions in a pride who hunt together is an example of
coperation.
• An example of mutualism is when a Clownfish live
among sea anemones for protection and shelter. The sea
anemone feeds on predators of the clown fish.
• Fertilizer helps plants make their food; grasshoppers eat
plants; rats eat grasshpoppers; fox eats rats; fox dies and
bacteria uses it for food and breaks it down for fertilizer
for the plant. This is an example of cycling of nutrients in
a community.
• Biotic means living and examples would be plants or
animals.
• Predation help prey populations by preventing
overcrowding and starvation.
• Predators have relationships with prey;
parasites have relationships with hosts.
• What would the above forest look like 20 years
later when squirrels move into the area and
gather acorns from one oak tree and hide them?
• Hermit crabs that live in shells that were
abandoned by snails is an example of what type
of relationship?__Commensalism______
• Two populations with limited resources experience
competition________.
• If a rabbit population has increased noticeably in the
past ten years. What could be a hypothesis for this
population growth? ___Main predator has been
eliminated_____
• What is most responsible for the decay of dead
organisms? _micro-organisms_________
• What environment would you expect the find the
greatest number of different species? _Rain
Forest____________
• Bacteria nitrogen fixing bacteria is found on the
_nodules__________ of plant roots.
• What is the definition of evaporation? _where
droplets of liquid water absorb energy and change
into a gas state________________
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