Question

the organization of living things
organism - anything that can perform life processes by itself.
*two types of organisms: unicellular and multicellular.
unicellular - consisting of one cell

• performs all necessary functions to stay alive
• needs fewer resources
• can live in harsher conditions
• all prokaryotes, (bacteria and archaea) are unicellular
• some eukaryotes, (yeast, protists, some algae) are unicellular

**if the cell dies, the organism dies
multicellular - made of many cells

• starts as a single cell, then develops into many
• cells become differentiated, to do different jobs
• larger size, grow by making more cells
• longer life, if a cell dies, the organism can still live
• specialization of cells makes the organism more efficient
• cells rely on each other to work together and do their jobs

four levels of organization: cell, tissues, organs, organ systems
function - the activity that a cell performs, its job, what it does
structure - the arrangement of parts in an organism, the shape and the material it is made out of, how it is put together

1. cells working together to perform a common function make tissues. (heart (cardiac) cells make heart (cardiac) tissues)
2. tissues working together to perform a common function make organs. (heart tissues make the heart)
3. organs working together to perform a common function make organ systems (the heart is part of the cardiovascular system)
4. organ systems work together to function for an organism. (the cardiovascular system works with other systems in the body to keep the organism alive.)

write 5 questions (any level) that can be answered by the notes

Explanation:

Based on the provided notes about organisms, their types, levels of organization, function and structure, we can formulate questions.

Answer:

1. What are the two types of organisms based on cell - number?
2. Why can unicellular organisms live in harsher conditions?
3. What is the first level of organization in living things?
4. How do tissues form according to the notes?
5. What is the function of organ systems in an organism?