Characteristics of living cells Flashcards
why do we use MRS GREN
because all living things need a life process
M
movement - an action by an organism or its parts causing change in its position or place
R-s
respiration - is the chemical reactions in cells that break down nutrient molecules to release energy for the metabolism (aerobic and anaerobic)
S
sensitivity - ability to respond and detect changes in the environment (internal or external)
G
growth - permanant increase in size or dry mass in cell number or cell size, producing more or bigger cells
R-p
reproduction - reproduction or more offspring (living things) from the same species
E
excretion - the removal or toxic waste, waste products, or substances in excess by chemical reaction in cells
N
nutrition - taking or using food nutrients and vitamins for health and growth energy and development
examples of M
- predators running to catch prey
- whale swimming
- hands moving during eating
examples of R-s
- running but had to stop to breathe
examples of S
- cold room makes shivers
- bacteria senses where nutrients are
examples of G
- boy grew 1 inch this year
- bamboo grew
- my muscles grew
examples of R-p
- my bird gave 3 eggs
- my mom had 3 children
examples of E
- urine
- sweat
- exhale air
examples of N
- plants and photosynthesis
- animals eat other organisms