List the primary germ layers formed by gastrulation. What tissues will they form in the adult?
Endoderm:
Mesoderm:
Ectoderm:
Endoderm: epithelial linings and GI tract.
Mesoderm: connective tissue and muscles
Ectoderm: neural tissue
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What will be an ideal response?
A parasite such as a tapeworm can be picked up from eating undercooked meat. Symptoms
often include nausea and stomach cramps. This is an example of __________.
a. a disease b. an infection c. both a disease and an infection
What features of GM crops make them appealing to farmers? Select all that apply.
a. drought tolerance b. less herbicide use c. increased food yields d. insect resistance
Sporogenesis can occur when a bacteria
a. has excess nutrients b. lacks nutrients c. faces extreme environmental conditions d. a and b. e. b and c