Question

1.You have an unknown piece of matter in front of you that you believe to be a piece of bark from a tree. First, how would you determine if the matter was organic or not? Second, what are two kinds of tests you could perform to indicate the material is plant matter rather than an animal?
2.You recently adopted a cat/puppy from a local shelter. What are some examples of at least THREE phenotypes it might have inherited from its parents, and what is at least ONE example of a genotype it might have inherited that ISN’T also a phenotype?

3.Think about your knee as a body part consisting of skin, ligaments, muscle, and nerve endings. If each of these components are epithelial tissue, connective tissue, muscle tissue, and nervous tissue respectively, then what would you say are the defining characteristics of each kind of tissue? What are the relevant parts of your skull as a whole that would fit each tissue type?
4.Based on the information in the unit and your own knowledge of biology, what are some examples of enzymes your body produces/parts of your body that use enzymes? What about hormones (hint: almost any part of your body that affects your mood is an example of a hormone!)?
5.When you drop oil into cup of water, why does it hold together instead of breaking up in the water? Name at least three common substances which are examples of lipids that relate to the following areas of life: driving, eating, and your own body.

Answer 1

• Matter is organic if it has carbon atoms present in it.

• The two tests include photosynthetic and postembryonic tests.

• The phenotypes include the following:

• Color of fur

• Size of tail

• Color of eyes

What is Phenotype?

This refers to the physical and observable characteristics of an organism.

• The genotype for having a white fur is an example in this scenario.

• The defining characteristics of each kind of tissue is based on their components and functions.

• The skull has bones, blood vessels and nerves which would fit each tissue type.

• The enzyme pepsin is produced in the stomach.

• Testosterone is a hormone produced in the male reproductive system.

• Oil doesn't have any polar part and so for them to dissolve in water resulting in them floating.

The three common substances which are examples of lipids include:

• Fats

• Oils

• Waxes

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