A(n) ________ is all of the species in an ecosystem that can interact in a geographic area
Fill in the blank(s) with correct word
community
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Compare arthropods, echinoderms, and chordates in terms of their similarities and differences.
What will be an ideal response?
Draw two cells: one showing the arrangement of chromosomes at metaphase of mitosis, and the other
showing the chromosomes at metaphase I of meiosis. What is the significance of this difference? What will be an ideal response?
N the accompanying figure, an inadequate supply of which cell may be responsible for anemia?
I
a. cell type A only
b. cell type B only
c. cell type C only
d. cell type D onlye. both cell type A and cell type C
Which of the following does not occur when you are very, very cold?
A. You get goose bumps. B. The arrector pili muscles contract. C. Shivering occurs. D. Smooth muscle contracts inside the blood vessels supplying the skin. E. More blood flows to the surface of the body.