Answer:
Biodiversity. Biodiversity is the most complex and vital feature of our planet. ...
Water. Water pollution is a huge concern for us and our environment. ...
Deforestation. We need plants and trees to survive. ...
Pollution. ...
Climate Change.
Explanation:
Answer:
because the mom and dad were having different dna before they
Explanation:
Molecules that cannot cross the membrane bind to receptors in the membrane. When the signal binds to a receptor changes it's shape. Other Molecules inside the cell respond to the chainging shape of the receptor.