What are the two different types of endoplasmic reticulum?

A. big and small
B. rough and smooth
C. prokaryotic and eukaryotic

The images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that . the archaeopteryx and bird have wings, while dinosaurs have limbs. so, it can be concluded that .

What type of competition exsist between two species. turtles and fish

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates