Spores and Seeds Have Basically the Same Function-Dispersal-But Are Vastly

question 10

Multiple Choice

Spores and seeds have basically the same function-dispersal-but are vastly different because _____.

• A)spores have a protective outer covering;seeds do not
• B)spores have an embryo;seeds do not
• C)spores have stored nutrition;seeds do not
• D)spores are unicellular;seeds are not
• E)spores depend primarily on animals for dispersal;seeds do not

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Definitions:

Density Independent

Referring to factors that affect population sizes regardless of the population density, such as weather conditions or natural disasters.

Density Dependent

Factors whose effects on the size or growth of the population vary with the population density, such as availability of food, predation, disease, and migration.

Density Independent

Refers to any factor affecting population growth rates regardless of the population density.

Death Rate

The number of deaths in a particular population, scaled to the size of that population, per unit of time.