Question

which of these is a characteristic of k - selected species?
many offspring at one time
high parental care of offspring
small body, no care of offspring

Explanation:

K - selected species are characterized by producing fewer offspring but investing more in parental care to increase offspring survival. "Many offspring at one time" and "small body, no care of offspring" are traits of r - selected species. So the correct characteristic is high parental care of offspring.

Answer:

high parental care of offspring