Welcome!The Topic For Today Is…

Life ScienceAdaptations Ecosystems Human Impact Plants/Animals Food Chains

200 200 200 200 200

400 400 400 400 400

600 600 600 600 600

800 800 800 800 800

1000 1000 1000 1000 1000

Bonus Question: 5000 pts

Adaptations: 200• Question:• Why does a Saguaro Cactus have a shallow

root system?• Answer• To capture the limited rainfall in the desert.

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Adaptations: 400• Question:• How does a desert tortoise use its shell to

survive in the heat of the desert?• Answer• It can store water for up to a year!

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Adaptations: 600• Question:• What are the two ways the Big Horn sheep

uses its body to climb?• Answer• They have strong back legs and two toed

hooves for traction.

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Adaptations: 800• Question:• Why do animals change color from one season

to another?• Answer• To blend in with their environment and to

protect themselves from predators.

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Adaptations: 1000• Question:• Why do deciduous trees lose their leaves in the fall• Answer• 1. The leaves drop off cutting down on water loss

and preventing the leaves from icing up and killing the tree.

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Ecosystems: 200• Question:• Define the word “ecosystem”• Answer• All the populations of living organisms and

nonliving physical factors in a given area (can be in your own words, but must include both the living and nonliving).

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Ecosystems: 400• Question:• Define the word “abiotic” and give an

example.• Answer• A part of an ecosystem that was never alive

(weather, soil, rocks, water).

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Ecosystems: 600

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• Question:• What ecosystem is extremely cold and mostly

flat. It is home to the Arctic Willow and the Caribou

• Answer• The Arctic Tundra

Ecosystems: 800• Question:• What are two major differences between the

deciduous forest and the coniferous forest. • Answer• The deciduous forest’s trees change color and

lose their leaves and have a mild, moist climate. The coniferous forest is made up of mainly evergreens and have a fairly cold climate.

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Ecosystems: 1000• Question:• List the 7 ecosystems we researched as a class.• Answer• Tundra, Tropical Rainforest, Desert, Deciduous

Forest, Coniferous Forest, Grassland, and Ocean.

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Human Impact: 200• Question:• List one way humans can negatively impact an

ecosystem• Answer• Pollution, fire, building, excessive hunting,

environmental accidents

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Human Impact: 400• Question:• List two things humans can do to positively

impact their environment• Answer• Recycle, pick up trash, don’t pollute, manage

wildlife, conserve natural resources

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Human Impact: 600• Question:• Give three examples of how people protect

the rainforest trees.• Answer• Pass laws to protect them• Have controlled logging• Replant trees after logging

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Human Impact: 800• Question:• Even though a rocky dry desert looks tough, it is

a delicate place. What two ways can hikers negatively affect the environment when leaving a trail?

• Answer• They could crush plants• They could trample over animals burrows• They could kill spiders that are food for other desert

animals.Back

Human Impact : 1000• Question:• Why are people causing grasslands to

disappear (you need one of the answers below)?

• Answer• The rising population of humans, causes us to

need more crops and places to live. More and more grasslands are being plowed over for these crops and places for homes to be built.Back

Plants/Animals: 200• Question:• I hunt at night. I can turn my head 270

degrees. I silently swoop on my prey. Who am I?

• Answer• Owl

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Plants/Animals: 400• Question:• What is one internal need all animals have to

take care of or die?• Answer• Finding food

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Plants/Animals: 600• Question:• What is a group of the same species living in

the same place at the same time?• Answer• A population

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Plants/Animals: 800• Question:• How does the structure of the leaves on the

Leaf Fan palm help it to survive (you need one of the two answers) ?

• Answer• The fan shape of the leaves helps it lose less

water and also shades the rest of the plant.

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Plants/Animals: 1000• Question: • What are three ways an animal uses behavior

to adapt in order to survive?• Answer:• Camouflage• Hibernation• Migration

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Food Chains: 200• Question:• What do all food chains start with?• Answer• The Sun

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Food Chains: 400• Question:• Name the basic parts of a food chain. (4 parts)• Answer• The Sun, producer, consumer, decomposer

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Food Chains: 600• Question:• What are three functions of decomposers?• Answer• Break down wastes • They break down dead organisms• They return nutrients to the soil

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Food Chains: 800• Question:• If most of the rabbits became sick and died,

what would likely happen to the population of the other species on the island (you need one of the answers)?

• Answer• The population of the rabbit consumers would

decrease. The producers would over populate.Back

Food Chain: 1000

• Question:• Why did the eagle most likely decline over the 5

year period?• Answer• The population declined because humans

fished for many salmon which is food source for eagles and the salmon population declined.

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2076 2077 2078 2079 2080

Salmon 841 537 458 282 140

Bald Eagles 3 2 1 0 0

Humans 8 115 739 1205 1568

Bonus Question: 5000 pts.

• Question:• What is it called when the relationship

between two organisms of different species benefits one or both of the organisms.

• Answer• Symbiosis

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