Question

use the evidence in the text to select the photosynthetic organism. thistles are a type of flowering plant covered in prickly spines. thistle plant cells contain chloroplasts, and their flowers contain a nectar that attracts birds and butterflies. red sea urchins are marine animals covered with hard spines. the urchins cells take in minerals from the water and use these minerals to form the spines.

Explanation:

Photosynthetic organisms have chloroplasts to perform photosynthesis. Thistles are plants with chloroplasts. Red sea urchins are animals and lack chloroplasts.

Answer:

Thistles.