Is an organism in its earliest stage of development. In humans, this is the stuff and defined as the developing organism from the fourth day after fertilization to end of the week. After that unborn baby is usually referred to as the fetus.
Answer: A
Explanation:
The three reactants used in photosynthesis are water (H2O) carbon dioxide (CO2), and light (sunlight energy). These reactants are used to produce glucose/food for plants and oxygen that is later released.
Answer:
e. both vitamin c and carotenoids
Explanation:
Age-related macular degeneration is an eye related disease which causes our macula to degenerate. It leads to blurred vision which further impacts our abilities like sewing, reading and driving adversely. It can be cured by intake of vitamin C and carotenoids in appropriate amount. Cataract is another disease related to eyes which most commonly occurs in old age people. In this disease, the eye lenses appear cloudy because of the changes in the eye lens tissue. Beta carotene and vitamin C both are very helpful in restricting cataract.
Answer:
Which of the following is not one of the characteristics of life?
a.
Balance
b. Digestion
C.
Circulatio
d. Conductivity
e. Reproduction
Explanation: A
They are multicellular, heterotrophic, they have no respiratory organs, and their digestion is intracellular!