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Which viral structure is a membrane-like structure that aids in entry into the host cell?

What is the correct term for changes that occur in species due to new selection pressures?

Animals that blend in to their surroundings to avoid being seen is known as __. 

What is represented by this image? poisondartfrog.png

What is the name of the process below? transformation.png

Look at the image below. At what levels does the hawk feed? foodweb6.png

Which niche is a large niche a species occupies in the absence of a competitor?

These organisms are examples of ___.  lichens.png

As we move from lower trophic levels to higher trophic levels, the size of the population 

Match the parts of the structure below.