Why do pine trees have two different types of cones?
A. One type is produced in the fall, the other type is produced in the spring.
B. One type produces ovules, the other type produces pollen.
C. One type produces the gametophyte, the other type produces the sporophyte.
D. One type produces seeds, the other type produces fruit.
Answer: B
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Indicate the differences between protostomes and deuterostomes, and list the phyla of animals in each group.
What will be an ideal response?
Select the best choice for statements 89–93 in reference to the
four groups of protists listed below. a. stramenopiles b. amoebozoans c. alveolates d. parabasalids and diplomonads E 89. The common amoeba, Amoeba proteus, is a member of this group. M 90. The slime molds are members of this group. M 91. The malarial parasite Plasmodium is a member of this group. D 92. This group includes the diatoms. M 93. Paramecium belongs to this group.
Genetics is defined as the study of ____
A. diseases B. DNA C. heredity D. chromosome structure E. more than one of these
Native grasslands of North America, influenced by declining precipitation from east to west, consist of three main types distinguished by the ________ of the dominant species
Fill in the blank(s) with correct word