Our fingernails and the hair on our heads are made of the same types of cells, but look very different. Which choice below best describes how the two structures have similar functions?
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The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

Which cell organelle is the site for photosynthesis? a. chloroplast b. endoplasmic reticulum c. golgi apparatus d. lysosome

Which of the following can occur to two segments of a population if they are geographically isolated 1.) they can only share some types of genes 2.)both groups most likely become extinct 3.)they find a way to come back together 4.)eventually they become separate species