Identify the point on the tree where each of the following a…
Identify the point on the tree where each of the following appears to have originally evolved. Hint: this has to do with the features that characterize groups of animals, and is a question about animal diversity and features. [e] epithelial tissue [a] growth involves shedding an exoskeleton or hard outer covering [b] embryos show deuterostome development (first opening in the gastrula becomes the anus) [c] embryos are triploblast Which of the groups in the tree is characterized by the following features? Choose the correct group based on the features described. [i] radially symmetric, stinging cells called cnidocytes used to capture prey [f] body plan consists of a visceral mass, muscular foot, and mantle [g] endoskeleton, notochord, dorsal hollow nerve chord, muscular post-anal tail [h] paired jointed appendages, exoskeleton containing chitin
Read DetailsThe age structure pyramids for four countries are shown belo…
The age structure pyramids for four countries are shown below. Based on the information in the age pyramids, which country is facing a decline in population and should consider planning for how a smaller number of working-age adults can sustain essential functions?
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