I believe the correct answer from the choices listed above is option A. Harry Hess used new technologies made available in the 1950s to observe and measure seafloor spreading. Harry Hess<span> describes the theory of sea-floor spreading. Hope this answers the question.</span>
The answer is A in the cell wall
Explanation:
im pretty sure its They ward off disease-causing organisms by competing for space and nutrients on and inside the body. ... Scientists and doctors can even utilize prokaryotes to help the human body. The two key components of ecosystem stability are resilience and resistanc
Answer: Option A.
Different beaks were available
Explanation:
Variation is the difference between traits, cells, or characteristics between organisms of any species which is caused by change in genetic information or effect of environmental factors on the expression of genes.
From the question, different beaks were available because there is variation or differences in shapes, sizes and expression.