Answer: Pigeon and duck.
Explanation:
From that side of the tree, you can see that the pigeon and the duck are closest together in the tree than the other organisms in the other options.
The industrial revolution damaged our ecosystem
Answer:
leukocyte
Explanation:
leukocyte is the organelle missing in the red blood cell.
Answer: An area with lots of different kinds of plants and animals.
Explanation:
