Ch 1 The Organisation of Life Flashcards
What are the 7 characteristics of life?
Nutrition Respiration Response Excretion Reproduction Movement Growth
what is respiration
the release of energy from food
what is a cell
a tiny unit that has all the characteristics of life
what is an organelle
an organelle is a small structure that carry’s out a specific
role in the cell
what is the difference between a cell membrane and a cell wall
the cell
membrane controls what comes in and out of the cell. the cell wall strengthens the cell
what is the control centre of the cell
a nucleus
what is the purpose of the chloroplast
the chloroplast contains chlorophyll which allows the cell the absorb energy from the sun for photosynthesis
what is a vacuole?
a vacuole is a membrane bound structure that contains liquids
what do you call an image formed under a microscope
a micrograph
what is an organisation
an organisation is where cells work together to form
tissues, organs and systems
what is a population that
groups of the same species
what is a community
groups of different species that live close together
what is an ecosystem
an ecosystem is how communities react with their environment
what is ecology
the study of ecosystems
what is biology
the study of life