Select the correct answer. Which description is a characteristic of r-selection strategy?
A.
most offspring reach adulthood
B.
reaches reproductive capability after several years
C.
possesses low parental involvement after fertilization
D.
has a long life span

Environmental differences within ecosystems are generally caused by

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?