What is the difference between an ocean community and a pond community, according to the text?, The ocean is quiet, and the pond is always moving., The ocean is much smaller than the pond., The ocean is a saltwater community, and the pond is a freshwater community., The ocean was made by God, and ponds are always made by men., What must pondweed have from the pond's muddy bottom that prevents it from being able to live in the ocean?, Oxygen, Sunlight, Minerals, Salt, Why can algae form a green scum on the surface of a pond, but usually not on the surface of the ocean?, The pond has more nutrients., The pond is still, while the ocean's waves constantly mix the algae in the water., The ocean is too salty for the algae., Fish eat the algae in the ocean more quickly., What is a community?, A large body of water like an ocean or a river., A group of plants that grow in the same area., A group of plants and animals that depend on each other to live., Any body of water that is still and quiet., What are the tiny animals in a drop of pond water, only visible under a microscope, called?, Algae, Plankton, Protozoans, Minnows, What part of the fish's body acts "very much like our lungs" by removing oxygen from the water and putting carbon dioxide back in?, Scales, Tail, Fins, GillsShutterstock, The text describes the bittern as blending in with its surroundings. What is this ability called?, Hibernation, Mutation, Camouflage, Evaporation, What is the muskrat's tunnel entrance nearly always placed under to keep its enemies from catching it?, A large rock, A thick pile of cattails, Water, Mud, What is the first stage of growth for an amphibian, such as a frog or salamander?, Larva, Egg, Tadpole, Adult, A baby frog breathes through gills during its second stage of growth, which is known as a:, Larva, Froglet, TadpoleShutterstock, Embryo, How does a salamander, which is an amphibian, get the water it needs to live?, It drinks water through its mouth., It gets water from the food it eats., It absorbs water through its smooth, moist skin., It stores water in its tail., Amphibians and many reptiles are cold-blooded. What does the text say this means?, They live only in cold water., They can only survive in cold weather., They must hibernate for long periods., Their body temperature is the same as the air around them., Why does the text suggest that turtles are an important part of God's plan for the pond community?, They aerate the water by swimming constantly., They remove the salt from the water., They eat the extra fish, frogs, and salamanders, helping to keep the community balanced., Their shells provide homes for smaller organisms., How are water snakes different from most other snakes, according to the text?, They are poisonous., They cannot swim., Their babies are born alive., They do not hibernate., The water moccasin is often called "cottonmouth" because:, It has white fur., The inside of its mouth is white., It eats a lot of cottonwood trees., It lays eggs that look like cotton balls..

Chapter 7

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