Answer:
They may change due to environmental changes. for example, if a cactus suddenly experiences a drought, it may change to become better at holding water than before. if it suddenly experiences large amounts of rainfall, it may change to release more water, etc.
Option C. Organisms were probably more complex during past eras.
Answer:
the answer would most likely be option C and D
Explanation:
let me know if this is wrong :))
<h2><u>
correction-- The correct answer is C and B</u></h2>