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Chapter 4
Science terms and what you need to know.
| Question | Answer |
|---|---|
| What are the 3 types of "vores"? (and an example for each) | Omnivores, meat and plant eaters (bears, raccoon, humans,etc.) Carnivores, meat eaters(cats,birds, fish,etc.) Herbivores, plant eaters(cow, llama, horse,etc.) |
| What are the 3 types of symbiosis? | Commensalism, when one organism benefits and the other is unharmed.(barnacles on whales) Mutualism, when both organisms benefit.(bacteria and humans) Parasitism, when one organism benefits and one is harmed.(tick) |
| What is learned and instinctive behavior? | Learned: a behavior that is taught by others or learned by one (ex. hunting in packs) Instinctive: a behavior that an organism is born with (ex. flying) |
| What is physical and behavioral adaptation? | Physical: a structural feature. (ex. sharp claws) Behavioral: what it does. Activities that help an animal survive, they can be learned or instinctive. (ex. hibernation for bears) |
| How do earthworms reproduce? | They have both male and female parts. The reproductive organs are located in the clitellum. They need to mate to reproduce. Then, the clitellum forms an egg case/cocoon which protects the eggs. |
| What are important facts about earthworms? | They aerate, allowing air to pass through the soil.Their waste is called castings.They eat soil and the organic material in it including plants, insect parts, and bacteria.Body is covered by a cuticle.They have a prostomium which helps them sense light. |
| Important facts continued. | Brain, hearts, and breathing organs are located in the first few segments of the worm.They have no lungs.Has 5 pairs of hearts. Have a clitellum, enlarged segments on its body, reproductive parts of the worm.They lengthen and shorten themselves. Setae. |
| What are the characteristics of an arthropod? | Invertebrates. Have hard outer coverings called exoskeleton. Segmented bodies. Pairs of jointed appendages. 3 groups of arthropods: Crustaceans:crabs Arachnids:spiders 3rd group: centipedes |
| What is the fragmentation of a black worm used for? | Reproduction. |
| What is regeneration of a black worm? | How they reproduce through asexual reproduction. |
| What is the difference between endo and exo skeletons? | Endoskeleton is an internal skeleton. and an Exoskeleton is an external skeleton. |
Created by:
tschulz
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