Which of the following statements is true regarding the pollen of gymnosperms and angiosperms? Select all correct choices
A. Pollen grains from both of these plants
consist of four cells.
B. A single angiosperm produces more pollen
than a single gymnosperm.
C. Pollen from both types of plant form pollen
tubes that factor in fertilization.
D. Pollen from both types of plants contain (or
will form) haploid (1n) male gametes.
C,D
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What will be an ideal response?
____ is the degree of adaptation to a specific
environment.
a. Fecundity b. Fertility c. Fitness d. Adaptation e. Natural selection
The most prevalent mineral ion stored in and
released from bone tissue is a. phosphorus. b. iron. c. calcium. d. magnesium. e. manganese.
An organism is heterozygous for two pairs of genes. The number of combinations of alleles that can form from these two genes in the organism's gametes is _____
Fill in the blank(s) with the appropriate word(s).