Answer: THe answer is C for number 1.
The answer is A for number 2
Explanation:
Answer:
frog
Explanation:
frogs live their first part of their lives in water so they need gills but after metamorphosis they live on land so they need lungs.
B! The strongest characteristics will survive when the weak ones won't
Answer:
Declining biodiversity lowers an ecosystem's productivity (the amount of food energy that is converted into the biomass) and lowers the quality of the ecosystem's services (which often include maintaining the soil, purifying water that runs through it, and supplying food and shade, etc.).
It's the Immune system!
good luck
