20. The answer is 1 (Precambrian)
21. The answer is 4 (Pennsylvanian)
22. The answer is 2 (Bony Fishes, Dinosaurs, and Mammals)
23. The answer is 2 (Reptiles)
Answer:
1.barrel cactus 2.creosote bush 3.joshua tree 4.palo verde 5.soaptree yuca 6.gila monster 7.bobcat
Explanation:
they all live in the desert pluse they all benifit from each other. hope this help and sorry if is not corect I just used my knowlege.
Answer:
starch, cellulose, and glycogen
Answer:
Aside from reducing fish stocks, unsustainable fishing practices can have other negative impacts on the marine environment. For example, some fishing techniques such as dredging and trawling can cause widespread damage to marine habitats and organisms living on the sea floor.
Answer:
A
Explanation:
Gram positive bacteria stain violet due to the presence of a thick layer of peptidoglycan in their cell walls, which retains the crystal violet these cells are stained with.