carbon cycle: ocean
What will be an ideal response?
there's a lot of C02 in the ocean because it dissolves easily.
In the surface waters tiny free-floating plants (plankton) convert the dissolved carbon into simple sugars using sunlight to drive photosynthesis
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Lipids are polar, hydrophilic molecules
Indicate whether this statement is true or false.
Members of which of the following phyla would exhibit ostia and an osculum?
a) Cnidaria b) Cnetophora c) Nematoda d) Rotifera e) Porifera
Which of the following types of cells is matched with the wrong stem cell category?
A. myeloid cell: unipotent B. hematopoietic stem cells: multipotent C. embryonic germ cells: pluripotent D. zygote: totipotent E. embryonic stem cells: pluripotent
Cells of the adaptive immunity have all of these characteristics EXCEPT
a. tolerance b. specificity c. memory d. resistance