When populations of antelope and cheetah coexist, what changes in the populations are likely to occur
due to natural selection?
What will be an ideal response?
First, the antelope population may decline due to heavy predation. Natural selection would encourage
the survival of faster antelopes that may be able to escape predation by the cheetahs. Natural selection
would again come into play and encourage the survival of the fastest cheetahs since they would be the
best adapted to capture their food source.
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Use a Punnett square to determine how many different genotypes can be produced by two
parents that are homozygous dominant (mother) and homozygous recessive (father) for a particular trait.
a. four b. two c. three d. one
All enzymes are which type of organic molecule?
a. lipids b. minerals c. carbohydrates d. vitamins e. proteins
The predominant cell type in connective tissue is the ____, which secretes components of the _____
a. neuroglia; nerve fiber sheath b. fibroblast; extracellular matrix c. cartilage; extracellular matrix d. melanocytes; melanin e. bone; skeleton
You have been following the recent presidential elections and have heard some candidates disparaging excessive and "unnecessary" federal government expenditures
One particular candidate asks: "Why are we spending millions of dollars studying fruit flies? How can that possibly help us find a cure for cancer?" Use your knowledge of model organisms to explain why studies in D. melanogaster (the fruit fly) areactually an excellent use of research funding.