science Flashcards
M- Metabolism
Living things undertake essential chemicals reactions such as photosynthesis and respiration.
R-Reproduction
Living things produce offspring either sexually or asexually. Bacterias are able to reproduce asexually. Sexual= animals
S-Sensitivity
All living things respond to stimuli, either internal or external
H- Homeostais
All living things seek to maintain a stable internal environment. Ex: Shivering when body is cold
E- Excretion
All living things exhibit the removal of waste products such as Co2, fezes and urine.
N-Nutrition
he process of taking in food and converting it into energy and other vital nutrients required for life
G-Growth
Living things can change shape or size (develop and growth).
Characteristics of Meiosis
4 daughter cell produced
The number of chromosomes is cut in half
single cell division (2) to produce 4 sex cells, sperm men, egg women
ribosomes
the process of making protein that the name is protein synthesis.
Nucleoids
the building of DNA
mitochondria
power house of the cell, the digest system which takes nutrients and break them down and make energy.
cytoplasm
provide structure for the cell mostly made of salt and water, and move in the cell membrane
cell wall
a protective structure that surrounds a plant cell
cell membrane
a wall surrounding the cell and blocks the entry of harmful substances
Golgi apparatus
organelle that acts in the center of the cell, it takes proteins and changes to vasicals