A fixed action pattern
is a behavior that is carried out to completion once started, regardless of
changes in the original stimulus and the sequence is unchangeable. The
unlearned behavior of fixed action patterns are triggered by a type of external
stimulus that start off a particular organism.
Fibrous roots grow from the main stem of the plant and does not have a primary root like the taproot. They grow downward and outward, with repeating branches to form a mass of small roots.Dicots and monocots are the two classes of flowering plants. The majority of taproot systems are composed of dicots and conifers.
Organism > System > Organ > Tissue > Cell > Molecule > Atom
ATP<span> is responsible for cocking (pulling back) the myosin head, ready for another cycle. When it binds to the myosin head, it causes the cross bridge between actin and myosin to detach. </span>ATP<span> then provides the energy to pull the myosin back.</span>
Answer:
C. top soil has more organic matter.
Explanation:
It's more fertile than subsoil, due to having more organic matter and because fertilizers are usually added to the topsoil only.
