Answer:
A) Hummingbirds drinking nectar from a plant.
Step-by-step explanation:
Here are some examples of natural selection: In a habitat there are red bugs and green bugs. The birds prefer the taste of the red bugs, so soon there are many green bugs and few red bugs. The green bugs reproduce and make more green bugs and eventually there are no more red bugs.
Mutations are not a mechanism for evolution.
Answer:
The thoracic duct: It begins near the lower part of the spine and collects lymph from the pelvis, abdomen, and lower chest.
Explanation:
