What is the nucleus and its function
the control center of the brain, contains DNA
what is respiration
breathing
ecosystem
a biological community of interacting organisms and their physical environment.
What is the formula for cellular respiration
glucose + oxygen --> Carbon dioxide + water + Energy (ATP)
What is the organization of living things from smallest to largest
cells--> tissues--> organs--> organ systems--> organism
Mitochondria
the powerhouse of the cell, where energy is made, site of cellular respiration
What is chloroplast
only in plant cells, where photosynthesis occurs
What does the digestive system do
breaks down food for nutrients
What is the cell membrane and its function
outter part of the cell, separates the contents from the cell and the outside environment, and controls the transport of materials inside and out of the cell
What is passive transport and diffusion
molecules going from areas of high concentration to low concentration (NO ENERGY)
organic molecules
contain skeletal structures of carbon with hydrogen and oxygen
What does the nervous system do
Fast, controls all the functioning in our body
What is active transport
molecules move from low to high concentration (NEED ENERGY ATP)
Cytoplasm and its function
the liquid the fills the cell
what is the formula for photosynthesis
sun's energy + Carbon Dioxide + water--> Glucose +water + oxygen
What is homeostasis?
The ability of an organism to maintain a stable internal balanced environment.
What is a carnivore
an organism that eats mostly meat
what is a decomposer
An organism, often a bacterium, fungus, or invertebrate that feeds on and breaks down dead plant or animal matter, making organic nutrients available to the eco
what are ribosomes and their function
located on the ER or in cytoplasm, where proteins are made
What is an organism and use it in a sentence
an individual animal, plant, or single-celled life form.
metabolism
the sum of all the chemical reactions that occur within the cells of an organism
what does the respiratory system do
breathing, exchanges carbon dioxide and oxygen
what is the excretory system
removes waste from the blood and body
what are organelles
the smallest parts that make up a cell
What is a herbivore
organism that mostly feeds on plants
what does the circulatory system do
carries gases and nutrients throughout the body
What are the vacuoles and their function
organelles, store wast and water