Answer:
Ferns do not have true leaves as many plants do, but structures called fronds. These fronds are split down into leaflets called pinnae. These fronds are green and the fern gets its food via photosynthesis. Ferns reproduce by spores in an alternating generations.
Explanation:
i studied ferns for years
Answer:
B. Cartilaginous fish
Explanation:
Sharks have a cartilaginous skeleton. Cartilage is less dense than bone which allows sharks to move quickly through the water without using too much energy.
Answer:
insulin/glucose/liver/pancreas
We need the options in order to answer
Answer: Pushing (compression) causes rocks to produce folds and faults. Like for instance when you are putting away a tent you have to fold it down to the proper size for it to fit back in it's box