Natural selection gets rid of those who are unfit of surviving and allows those who can survive to reproduce and live on
Rocks? not quite sure about this one but good luck and hope this helps! :)
Answer:
The young birds are hosts for the larvae.
Explanation:
A host is an organism that harbours the invertebrate or microorganism and experiences disease. The disease that the larvae are causing is threatening the population of birds.
The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
