<span>Most reflex arcs involve only three neurons. The stimulus, such as a needle stick, stimulates the pain receptors of the skin, which initiate an impulse in a sensory neuron. This travels to the spinal cord where it passes, by means of a synapse, to a connecting neuron called the relay neuron situated in the spinal cord.</span>
Answer:
A food chain only follows just one path as animals find food
Explanation:
A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass
Answer:
form a nearly continuous belt
Explanation:
When the landmasses of the British Isles and Scandinavia are fitted together, mountain chains and rock types form a nearly continuous belt.
Answer:
The correct answer is - Biotic factors are any living factors and abiotic factors are anything non-living in an ecosystem.
Explanation:
An ecosystem consists of all living organisms, non-living organisms that are present in a physical environment in a particular geographical area. The physical environment consists of several factors such as landscape, pH, climate, salinity, and other factors that represent abiotic factors.
Any living organism present in an ecosystem is biotic factor Examples of biotic factors include are mammals, birds, trees, microbes, grasses, fish, bacteria, and many more.
Answer:
DNA is the information stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T).
Explanation:
