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animal study guid

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Question
Answer
Hetertrophs must eat other organisms because they___   they cannot make their own food.  
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Name some animals that are vertebrates?   Humans, fish, frogs, birds  
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An organism that carries a disease from one host to another is known as a____   Parasite  
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What are some behaviors that are controlled by an animals bilogical clock?   Getting sleepy at night, stomach growling when hungry, fighting for a mate  
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What size are invertabrates?   From microscopic to 20 meters in length  
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What is the primary waste product of cellular metabolism?   Ammonia  
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What animals are most likely to be capable of solving complex problems?   Humans  
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What kingdom are invertabrates found?   Animal Kingdom  
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How do animals obtain their food?   eat other organisms  
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List the functions that animals must carry out to survive?   Feed, reproduce, respire, circulate, respond, etc.  
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What is the difference between sessile and motile?   Sessile means that it doesn’t move, motile means that it moves  
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Do most animals reproduce sexually or asexually?   Sexually  
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What is a benefit of reproducing sexually?   Greater genetic diversity, increases chances to evolve as needed over time  
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What is another name for a fertilized egg?   Zygote  
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Is the ectoderm the inner,middle or outer layer?   Ectoderm – outer; mesoderm – middle; endoderm - inside  
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What is the concentration of sense organs and nerve cells at the front end of the body called?   cephalization  
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The type of body symmetry in which any numbers of imaginary places can be drawn through the center,each dividing the body into equal halves is known as __________ symmetry.   Bilateral  
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An organism whose anus is formed from the blastopore, the mouth is formed second,after the anus is called the_____________.   deuterosome  
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Groups of specialized cells from a___________.   Tissue  
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Sponges reproduce asexually by__________   budding  
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1. What type of symmetry does the animal in Figure 23.1 have?   Radial  
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