How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Life Science Chapter 2
change in an organism's environment that affects the activity of an organism
group of compounds made of sugars
maintenance of a stable internal environment
complex carbohydrate made by plants
transmission of characteristics from one generation to the next
chemical activities of an organism necessary for life
made up of subunits called nucleotides
eats other organisms for food
organism that breaks down the nutrients of dead organisms or wastes for food
two layers of these form much of the cell membrane
proteins that speed up certain chemical reactions
molecule that provides instructions for making proteins
organism that can produce its own food
membrane-covered structure that contains all materials necessary for life
reproduction in which a single parent produces offspring that are identical to the parent
chemical compound that cannot mix with water and that is used to store energy
large molecule made up of amino acids
energy in food is transferred to this molecule
reproduction in which two parents are necessary to produce offspring that share characteristics of both parents
Can iodine be a tattleltale?
Yes, putting a drop or two of liquid iodine on a food item makes the starch (a complex carbohydrate) in that food turn a blue-black color.
All living things do this
have 1 or more cells
grow and develop