Organisms Impact on Environment and Food Chains

A pond is small, enclosed body of fresh water that can be rich in wildlife such as frogs, tadpoles, salamanders, and more. One year, the area around a pond gets very little rainfall, and the pond gets smaller. Which organisms will probably be harmed the most by the decrease in ponds size

• Fish

• Trees

• Grass

• Insects

Tags

CCSS.RI.3.3

CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

Lamar is researching the rainforest. He learned that the rainforest once covered 14% of the Earth's land surface; now, it covers only 6% because of deforestation. Deforestation is the removal of trees from an area. What is the most harmful effect of cutting down so many trees?

• More places for animal habitats

• An increase in the amount of rain

• Too much carbon dioxide in the air

• Not enough room for building houses

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.2

CCSS.RL.5.2

Casey is making a list of major events that might happen in an ecosystem. He classifies each event as helpful or harmful to the large animals living there. Which of these events would be helpful to those animals?

• Decrease in habitat

• Increase in temperature

• Decrease in water supply

• Increase in number of prey

A construction company clears a large section of land in the city where Kobe lives. They plan to build a new subdivision there. Part of the area is wetland where many types of birds, fish, mice, and insects live. Which organisms will be harmed the most by the destruction of wetland habitat?

• Birds

• Fish

• Insects

• Mice

St Lucie County in Florida is building a plant that will turn trash into a gas, which will then be used to generate electricity for 50,000 homes. This plant is expected to begin operating by 2027. Which claim describes what will happen once the new plant is built?

• People will produce less trash

• People will use less electricity

• The amount of trash will decrease

• The amount of trash will increase

A Florida law controls what kind of fertilizers can be sold for lawns. Some of the chemicals in lawn fertilizers can cause water pollution. Where is the kind of water pollution that will most likely to occur?

• Ditches along highways

• Ponds near neighborhoods

• Swamps near shopping malls

• The ocean along the coastlines

Visitors to Florida are encouraged to book their hotel stay with a member of the environmentally friendly Florida Green Lodging Program. What would you most likely find at a hotel in the program?

• Recycling Bins

• Plastic dining utensils

• Several trash dumpsters

• Large areas covered with lawns

In 2004, Florida developed its environmentally friendly Green Lodging Program. In 2008, Florida reported that the program included about 100,000 hotel and motel rooms. Which of these are you most likely to find in one of these rooms?

• Cleaning products found in all homes

• Cleaning products that contain toxic chemicals

• Cleaning products that are not environmentally safe

• Cleaning products that decompose rapidly in the environment

Which claim describes one way that cutting down trees in the forest is helpful?

• The amount of pollution in the area will decrease

• The land can be used for farmland or to build houses

• There will be a greater variety of animals in the forest

• The smaller forest will provide better homes for animals

Bobby reads a book about the Florida Manatee. He learns that the manatee is a threatened species. What is the greatest threat to the manatee in Florida?

• Not enough food

• Being hit by a motorboat

• Chemicals in the water

• Crossing from fresh water into salt water

Tags

CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2