If a mouse eats grass, a snake eats the mouse, and an eagle eats the snake, what is the eagle ?
a. producer.
b. secondary consumer.
c. primary consumer.
d. tertiary consumer.

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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