At the Most Fundamental of Levels,differences in Life Histories (That

question 24

Multiple Choice

At the most fundamental of levels,differences in life histories (that is,reproductive strategies) are trade-offs that are based on differences in the ________.

• A) onset of reproductive maturity
• B) reproductive sizes of the individuals
• C) allocation of energy between individuals
• D) average number of offspring produced over the life span of individuals

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Definitions:

Rhizoids

Hair-like extensions from the lower surface of bryophytes and some algae that serve as anchors and absorb water and nutrients from the soil.

Gymnosperms

A group of seed-producing plants that includes conifers, cycads, ginkgo, and gnetophytes, characterized by seeds that are not enclosed by an ovary or fruit.

Flowering Plants

Plants that produce flowers as their reproductive structures; members of the angiosperm lineage.

Diploid Generation

The phase in the life cycle of a plant or algae that has a double set of chromosomes, typical of the sporophyte generation.