Biodiversity is all around the world. Various ways we can protect biodiversity is by planting trees, working to end pollution, offer more education about the earth and how to protect it, using more eco-friendly cars (electric, etc)
An alimentary canal is a digestive tract that is complete and has two openings which are the mouth and the anus. On the other hand a gastrovascular is a digestive tract that has only one opening. The advantage of the alimentary canal is the fact that intake of food can still go on even during digestion. This will enable a more complete digestion.
Every organism has a different life span so theres no exact answer, but i suppose it could range from a few hours to multiple years
Answer:
Depends on what you are changing.
Explanation:
Protons have a positive (+) charge.
Neutrons have a neutral (0) charge.
Electrons have a negative (-) charge.
Since neutrons only affect atomic mass, we don't need to worry about it changing the charge.
If we had more protons than electrons, then since there are more + charges, the entire atom would be positively charged.
If we had more electrons than protons, then since there are more - charges, the entire atom would be negatively charged.
Answer:
models are universal. option A