Characteristics of life Flashcards
what are organisms
things that have all the characteristics of life
what are living things organized by
by cells that each have special structures and functions
what what multicellular mean
and organism made up of more than 1 and contains different types of cells that each have a particular function.
what does unicellular mean
and organism make up of more than one cell
how are multicellular organisms more complex than unicelluar
multicellular have a greater level of organization
what does grow mean
to get larger
how does a unicellular organism grow
the cell itself grows
how does a multicellular organism grow
the number of cells increase
what does to develop mean
develop refers to the changes in the organism over its lifetime
what is an example of development
a tadpole changing into a frog
what is reproduction
the process by which one organism makes 1 or more new organisms. Ensures survival of species.
what does response to stimuli mean
changes that you make in response to something
what is internal stimuli and whats an example
things that happen within an organism. ex: feeling Hungary and looking for food
what is external stimuli and whats an example
changes in the environment that cause and organism to change. ex: light or temp.
where do plants tend to grow toward
the light source
what happens to the amount of blood flowing to a certain area as temp changes
it will change
what is homeostasis
an organisms ability to maintain steady internal condition when outside conditions change
what could happen to an animal if it didn’t have homeostasis
the animal could get sick or die
what is methed of regulation
the body’s responses to deal with changes in the enviorment
what are examples of methed of regulation
temp changes - shiver, sweat, blood flow.
is there a limit to the amount of regulation that can occur within an organism
yes
what do all organisms need to survive for all processes
energy
where does energy originate from
the sun
what is the process called where living creatures trace their energy back to the sun
the food weeb
what was the name of one of the first people to classify organisms
Aristotle
what was Aristotle’s 2 brad categories
plants and animals
how did Aristotle break down his categories
by similar structures or characteristics
what is the sentence for the current classification of animals
Dear King Philip Called Out For Good Soup
what does, Dear King Philip Called Out For Good Soup, mean
domain, kingdom, phylum, class, order, genus, species with subcategories. With each one becoming more specific