Which group is incorrectly paired with its description?
diatoms - important producers in aquatic communities
red algae - acquired plastids by secondary endosymbiosis
apicomplexans - parasites with intricate life cycles
diplomonads - protists with modified mitochondria

Red algae - acquired plastids by secondary endosymbiosis

Explanation:

Red algae are believed to have undergo a primary endosymbiosis event. Then a second endosymbiosis event created a large group known as heterokonts.  During the primary endosymbiosis event red algae acquire their plastids.

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.