For which of the following organisms is the sporophyte stage the dominant stage in the life cycle?
A. charophyte
B. fern
C. green alga Chlamydomonas
D. moss
E. liverwort
B. fern
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The large surface area in the gut directly facilitates _____
A) secretion B) absorption C) elimination D) filtration E) temperature regulation
Planktonic foraminifera often have smaller photosynthetic protists such as diatoms or algae ____
a. living inside them b. living on their shell c. living near them on the ocean floor d. aiding in the building of their shell e. providing carbon dioxide for them
A man with type A blood and a woman with type B blood have a child with type O blood. What are the genotypes of the man and woman?
A. IAi and ii B. IAi and IBi C. ii and IBi D. IAIA and IBIB E. both are ii
The atmosphere above which region is known to have a hole in the ozone layer?
a. Antarctica b. eastern North America c. northern Europe d. the western Pacific e. central Asia