Relationships among Species
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Boxing crabs gently carry anemones in their claws to sting predators Fleas live on the warm body of a dog, biting the dog
and keep them away. The anemones feed off bits of food the crab and eating its blood. The flea bites cause the dog to
drops
itch
Which headings best complete the chart?
X: Competition
Y: Parasitism
X: Competition
Y: Commensalism
X:Commensalism
Y: Mutualism
X: Mutualism
Y: Parasitism
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1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

What are the seven economic and social goals?

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other