Answer:
You can do these things:
make the vacuole bigger/larger
add chloroplasts
add a cell wall in the outer part of the membrane
60 years is three half life for the substance, so 40*1/2^3=5
Answer:
Hypothesis.
Explanation:
A hypothesis is a testable explanation for an event. For example, if you see a certain type of bird at your bird feeder, but never your neighbor's, you could come up with the hypothesis that that specific species of bird likes something that is present in your own birdseed, but not your neighbor's. This is easily testable by switching out different birdseeds and seeing which ones attract the birds, and serves to explain why the birds only appear at your bird feeder.
The wings are adapted so they can hover and feed off of flowers.
The beak and tong is modified to extract nectar from flowers with long flower corollas.
Answer:
C) To find new resources to meet their needs
Explanation:
The main reason why a person changes location is because of the economy / work and having a better quality of life.