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Unit 5 Final Exam Study Guide (Abiotic factor - a non-living component of…
Unit 5 Final Exam Study Guide
Abiotic factor
- a non-living component of the environment. Ie temperature and oxygen concentration.
Absorb nutrients
- What is an important function of the digestive system?
Absorb oxygen
- What is an important function of the respiratory system?
Bacterial pollution
- the presence of harmful bacteria in water supplies.
Biotic factor
- a living component of the environment. Ie fish, insects, algae,
plants, and bacteria.
Carbon reservoir
- a part of Earth that stores carbon.
Carbon sink
- a carbon reservoir that absorbs carbon from the atmosphere and stores it for a long period of time.
Cell Membrane
- Double layer of phospholipids (lipid bilayer) that surrounds the cell; regulates what enters and leaves the cell.
Cell Wall
- Thick outer layer in plant cells. Also found in fungi, algae, and some bacteria.
Crossing Over (Meiosis)
- Yes, mixing of chromosomes can occur.
Crossing Over (Mitosis)
- No, crossing over can not occur.
Fluorescent lamp
- a light source that consists of a glass tube coated with phosphor and filled with argon and another inert gas
Function of Meiosis-
Sexual Reproduction
Function of Mitosis
- Cellular Reproduction & general growth and repair of the body.
Incandescent lamp -
A type of light in which an electrical current passes through a thin tungsten filament, causing it to glow
and give off light.
Virchow
- I developed the cell theory and came to the conclusion that all cells come from other cells
Schwann
- I discovered that animals are made of cells
Schleiden
- I discovered that plants are made of cells.
Leeuwenhoek
-I discovered that there are microscopic organisms in pond water.
Meiosis
: A type of cellular reproduction in which the number of chromosomes are reduced by half through the separation of homologous chromosomes in a diploid cell.
Mitosis
: A process of asexual reproduction in which the cell divides in two producing a replica, with an equal number of chromosomes in haploid cell
Meiosis occurs in
: Humans, animals, plants, fungi
Mitosis Occurs in
: all organisms
Meiosis Creates-
Sex cells only: Female egg cells or Male sperm cells