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Life Science Adaptations Ecosystems Human Impact Plants/Animals Food Chains 200 400 600 800 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. Back

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! Back

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. Back

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. Back

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. Back

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). Back

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). Back

Ecosystems: 600 Question: What ecosystem is extremely cold and mostly flat. It is home to the Arctic Willow and the Caribou Answer The Arctic Tundra Back

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. Back

Ecosystems: 1000 Question: List the 7 ecosystems we researched as a class. Answer Tundra, Tropical Rainforest, Desert, Deciduous Forest, Coniferous Forest, Grassland, and Ocean. Back

Human Impact: 200 Question: List one way humans can negatively impact an ecosystem Answer Pollution, fire, building, excessive hunting, environmental accidents Back

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 Back

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 Back

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 Back

Plants/Animals: 400 Question: What is one internal need all animals have to take care of or die? Answer Finding food Back

Plants/Animals: 600 Question: What is a group of the same species living in the same place at the same time? Answer A population Back

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. Back

Plants/Animals: 1000 Question: What are three ways an animal uses behavior to adapt in order to survive? Answer: Camouflage Hibernation Migration Back

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

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

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 Back

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 2076 2077 2078 2079 2080 Salmon 841 537 458 282 140 Bald Eagles 3 2 1 Humans 8 115 739 1205 1568 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. Back

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 Back