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Unit 7
Science
| Question | Answer |
|---|---|
| What adaptation allow birds to fly? | Hollow bones |
| includes jelly fish and sea coral | cnidaria |
| Which class of arthropods have three body segments, an open circulatory system, three pairs of jointed legs and breathes through spiracles? | insects |
| A cold-blooded vertebrate animal including frogs, toads, newts, and salamanders. | amphibian |
| Describe bony fish | A large class of fish with real skeletons made of bone |
| mammals that lay eggs rather than giving birth to live young | monotremes |
| mammals that give birth to live young but carry their newborn young in a pouch while the young develop | marsupials |
| What is the largest phylum of invertebrates | Arthropoda |
| What is an endoskeleton | a skeleton located inside the body. |
| What is an exoskeleton | skeleton found on the outside of the animal’s body, |
| What is ganglia (in worms) | ganglia enables worms to sense and move away from light, harmful chemicals, or a resisting force like a brick or a finger. |
| What is the difference between endotherm and exotherm | An exotherm is a cold-blooded animal, while an endotherm is a warm-blooded animal |
| the process of sitting on eggs in order to keep the temperature of the eggs constant for the purpose of hatching them | incubation |
| What is the purpose of mammary glands | The purpose of mammary glands is to produce milk once a baby is born |
| Cnidarian does what to capture prey | They use their tentacles with stinging cells in their tips |
| What is a placenta | an organ that provides all the oxygen, blood, and food the embryo needs and gets rid of any waste the baby produces |
| How do arachnids eat their prey | Arachnids trap and kill their prey. They also often inject digestive enzymes into their prey, turning it to liquid so that they can drink their food. |
| What is radial symmetry | Radial symmetry is when animal bodies are shaped around a central point |
| What is phylum | biological classification below kingdom; groups organisms according to body structure |
| Animals that can regulate their own internal body temperature is a(n) _____ while one that cannot is a(n) _______. | endotherm, ectotherm |
| An animal that hatches from an egg as a larva and goes through many stages before it becomes an adult is said to have gone through: | complete metamorphosis |
| Stingers on jellyfish called _____________ act like tiny harpoons or spears and sting an organism, paralyzing it. | nematocysts |
| The term "gestation period" refers to: | the time it takes a ready fetus to develop until it is to be born |
| These fish have a special swim bladder. | Bony |
| Which is true about invertebrates? | They are a much larger group than vertebrates. |
| What is a parasite? | Parasitic organism is an organism that depends on another organism for nourishment, but does not kill the organism. |
| Which one has radial symmetry? | starfish |
| The digestive system in herbivores is: | very long and complex that help to convert the plants into usable energy |
| What is cartilage? | a flexible connective tissue similar to bone, but not quite as hard or rigid |
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