They are things that are non living. These include water, rock, soil, sunshine, air, wind, and any other items we use that isn't alive (cellphones, TV, furniture, clothes, etc.). Biotic factors are opposite of this. These include anything living like humans, dogs, plants, etc.
Answer:
b
Explanation:
some are the same while others are different (traits)
Answer:
because the ecosystems are not adopted to this type of animals thus the invasive species will have the upper hand and will spread to the native animals disadvantage
D.
The farmer will choose what traits are most desirable. Basically, its like an arranged marriage. If you are the animal, and your father is the farmer, your father is picking who you marry. So the farmer just chooses who mates with who.