The seed coat forms from the

a. zygote.
b. cotyledon.
c. nucleus.
d. integuments.
e. embryo sac.


Answer: d

Biology & Microbiology

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While standing at the top of the stairs, you have a potential energy of 40 Joules. If you walk all the way down the stairs, what would your potential energy be at the bottom of the stairs?  

A.  0 Joules B.  20 Joules C.  40 Joules D.  80 Joules Clarify Question What is the key concept addressed by the question? What type of thinking is required?   Gather Content   What do you already know about potential and kinetic energy? What other information is related to the question?   Choose Answer   Do you have all the information needed to answer the question?   Reflect on Process   Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

Molting in arthropods may involve a change in

all but a. body form and maturity. b. sex. c. body size. d. eating habits. e. sensory structures.

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Historically, most classification has been based on ________ similarity

Fill in the blank(s) with correct word

Biology & Microbiology

Choose the most influential contributing factor to the reduced sense of smell in humans compared with the other great apes.

A. number of olfactory receptor (OR) genes present in the genome B. aneuploidy C. pseudogenes D. conservation of synteny E. one more chromosome in humans compared to the other great apes

Biology & Microbiology