Herbaceous - Soft, green stems
Woody - Hard stems with bark
Fibrous - Thick, tangled mass of roots
Taproot - One main root with smaller ones that branch out
I hope this helps! If you have any questions, feel free to ask.
Answer: This is a vertebrate animal with bilateral symmetry which has an endoskeleton. Most reproduce sexually through external fertilization.
Explanation:
I'm Smart
I believe you meant 'selective breeding'.
Selecitve Breeding is when say a dog breeder, chooses two prospective parents in hopes of achieveing a superior offspring or offspring with desired traits.
The role is that it helps you with the urinal system and makes the things in your body go out of the body. (hopes it at least helped a little! (=^T^=)
Answer:
Oxygen levels stay above 15 percent starting 200 million years ago
Explanation:
Atmospheric oxygen levels are related to the evolution on Earth and changes in geochemical cycles that involve climate variations.
The presence of O
2 and evolution of oxygen gave new opportunities to the life on Earth. Oxygen levels in atmosphere have fluctuated between 15% and 35% of atmospheric volume, since the start of the Cambrian period.
So, form the starting 200 million years ago, oxygen level stay above 15 percent and the correct option is "B".