What does k-selection refer to? a. species that produce relatively few offspring but invest a large amount of parental care b. species that become extinct after a few generations c. only egg-laying species d. all species except primates?

Plz plz plz quick! 49 points for whoever which of the following statements about greenhouse effect is true? *life on earth is suffering because of greenhouse effect *the greenhouse effect is caused by human activity *all greenhouse gases are harmful *life on earth would not exist without the greenhouse effect

Structures in cells that carry out specific functions.

What is earths lithospheric plates interact at