• How many species are there?– Answer- 1,448,800 have been described.

• How is the immortal jellyfish immortal?– Answer- this jelly is able to revert back to a

juvenile form once it mates. It does this by transdifferentiation (reverse metamorphosis).

• Why do some people have stronger genes? Example, the son looks exactly like the dad & nothing like the mother.– Answer- genes control traits

(characteristics). Some genes are dominant over others.

– Some traits are controlled by many genes.

• Why do we have limited eye color?– Answer- the trait of eye color is controlled by many

genes and includes in its range brown to blue.

BB bb Brown

BB Gb Brown

BB GG Brown

Bb bb Brown

Bb Gb Brown

Bb GG Brown

bb GG Green

bb Gb Green

bb bb Blue

• Do carnivorous plants still use the sun for photosynthesis or do they only use the animals/insects that they eat?– Answer- Yes they still

use the sun, however in order for normal growth and reproduction they require Nitrogen.

• Why are there good and bad bacteria, and what classifies them as such?– Answer- Bacteria have evolved to specialize on a variety of substrates.

Whether they are good or bad is subjective, and depends on one’s point of view.• Decomposition• Photosynthesis= oxygen production• Nutrient Cycling• Symbiosis

• Why does shit smell?– Answer- the breakdown of amino acids and other compounds

by bacteria in your colon generates that familiar smell.

• Which is the biggest cause of cancer to the human body?– Answer- based on new cases:

• Woman- breast cancer.• Men- prostate cancer.

• How long would it take for cancerous cells to travel all over the human body?– Answer- varies from weeks to years. Once they invade the

circulatory system, speed of metastasis depends on the type of cancer, its location, size, and also the age of the individual.

• Is there a way for research scientists to find cures for human diseases without using animals as experiments?– Answer- no, not based on the current regulations.

• How far have biologists gone with researching and making a fully functional human organ?– Answer- its been done, but not with all organs.

• Where do humans come from?– Answer- our species evolved in Africa about 200,000

years ago.

• How do you get taller?– Answer- height

and length are achieved through rapid mitotic growth in your long bones.