Most often, three tissue layers form: outer
__________, inner __________, and __________ in
between the first two layers. Fill in the blank(s) with the appropriate word(s).
Answer: ectoderm; endoderm; mesoderm
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The transgene that confers ________ to crops has escaped into the environment, appearing in wild plants and nonengineered crops
a. glyphosate tolerance b. increased yields c. the ability to produce the Bt protein d. drought resistance
Mendel’s paired factors unite during the formation of reproductive cells
__________________ Indicate whether the statement is true or false.
Purple-flower color is to pea-plant-flower color as red hair is to _______________________
Fill in the blank(s) with the appropriate word(s).
Specialist species have a ____________ niche breadth.
Fill in the blank(s) with the appropriate word(s).