Ships accidentally spread a species of sea urchins to an area of the sea in which they previously didn’t live. the graph depicts the growth trend of native seaweed, a common food for sea urchins, after this invasion. what could ecologists do to curb the trend in the seaweed population?
a.
eliminate the sea urchins’ competitor.
b.
introduce more sea urchins.
c.
introduce a competitor for seaweed.
d.
introduce a predator for invasive sea urchins.

d most likely just to get rid of them

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

common management practices in dairy and poultry farming are: (i) proper shelter facilities and their regular cleaning. (ii) some basic hygienic conditions such as clean water, nutritious food, etc. (iii) animals are kept in spacious, airy, and ventilated place.