Perhaps the bird’s calls could be less attracting and disorienting to predators and the ones with the said distinctive calls could have survived to repopulate and pass down the genes.
Hello There! ^_^
Your question: What is a darker contour line usually every fifth line..?
Your answer: An indes contour is a contour line that is usually in every fifth line.
Hope this helps!
Answer:
Explanation:
A tissue is a group of similar cells that work together to do a particular job. For example, most animals have muscle tissues, which are made up of muscle cells.
To describe a scientist as skeptical, they question existing ideas and a new hypothesis. skepticism is a valuable quality because it shows that scientists is good and open minded.
i hope this helps...
sand dunes
because it is and sand dunes get deposited
