Homework Answers
Ans--The level of organization in the human body fallow the following trends from smaller to larger---
molecules----> cell organelles---->cells---->tissue---->organs---->organs system---->organism.
So when multiple molecules combined together they form organelles. Organelles combined together and function in a systematic way to give rise the cells, independent living entity, the basic unit of life, Multiple cells of same type aggregates to form specific kind of tissue and when tissues combined they form an organ. Finally, multiple organs come together to function in a coordinated way and give rise organs which eventually form complete individual,
So the option is right, representing the correct order of organization,
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which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
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1. If you were to build a phylogenetic tree of living animals,
which of the following derived characters would appear first?
A. deuterostome development
B. true tissues
C. protostome development
D. bilateral symmetry
2. Birds and mammals are endotherms. They maintain body
temperature by producing heat through metabolism. Endothermy is
energetically expensive for an organism, yet endotherms have become
the dominant group of tetrapods. What is a major evolutionary
advantage of endothermy?
A. Endothermy allows greater independence from water.
B....
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