These plant tissues that carry food downward to the stems and roots
What are phloem?
The __________ connect the kidneys to the bladder.
What are the ureters?
A distinct type of organism
What is a species?
The brain and spinal cords are part of this system.
What is the central nervous system?
This branch of biology studies the relationshps between organisms in their environment.
What is ecology?
What is an angiosperm?
This is the tough membrane that encloses the heart.
What is the pericardium?
The sum of all chemical processes of life.
What is metabolism?
This portion of the body contains most of the vital organs.
What is the trunk?
The first part of an animal's scientific name.
What is genus?
This process is how plants manufacture their food
What is photosynthesis?
These main layers of skin have the dead, outermost layers.
What is the epidermis?
The study of reasoning
What is logic?
The air sacs in the lungs.
What are alveoli?
A sensible explanation to a scientific problem.
What is a hypothesis?
Grains are examples of fruits from the plants of this family.
What is the grass family?
The scientific name for the windpipe.
What is the trachea?
This type of symmetry means an organism can be cut into equal halves in only one direction.
What is bilateral symmetry?
The main divisions of the skeleton are the axial skeleton and this skeleton.
What is the appendicular skeleton?
This man developed the scientific method.
The process of water in the soil entering a root's root hairs.
What is osmosis?
This gland is considered the "master gland".
What is the pituitary gland?
A properly designed experiment should have this many variables.
What is one?
These are the largest blood vessels that carry blood away from the heart.
What are arteries?
A scientific idea that has survived many experiements and observations withouth ever being proven false.
What is a law?