Evolution 1
The process in which a species has changed over time is known as this.
What is evolution?
He is known as the Father of Evolution
Who is Charles Darwin?
Which part of the body contains billions of neurons?
Brain
What is the main function of the nervous system?
The nervous system controls and coordinates the body’s actions and responses.
Where did Charles Darwin go to think up his theory of evolution?
Galapagos
Any inherited trait that increases an organism's chance of survival is known as this.
What is an adaptation?
What is the main job of a neuron in the human body?
The main job of a neuron is to send messages around the body.
What are the two main parts of the nervous system?
The central nervous system and the peripheral nervous system.
Preserved remains of ancient organisms
What are fossils?
A mistake or change that occurs in the DNA sequence is called a ______________________.
What is a mutation?
What is the function of the axon in a neuron?
The axon carries messages away from the cell body to other neurons, muscles, or glands.
What is a reflex action?
A fast, automatic response to a stimulus that happens without conscious thought.
What characteristics did Darwin observe about the finches on the Galapagos Islands?
What are their beaks? They adapted to different food sources.
Animals and plants can change as a ______________ but not as an individual.
species
Name the three main parts of a neuron.
The three main parts are the cell body, dendrites, and axon
What is the job of receptors in the sense organs?
Receptors detect changes or stimuli such as light, sound, touch, taste, or smell.
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
What is Natural Selection?
Some weed species have developed the ability to resist pesticides. How does the theory of evolution by natural selection help to explain his ability?
What are genetic variations, some weeds in the population had the ability to resist pesticides?
Why is the myelin sheath important for some neurons?
The myelin sheath helps electrical signals travel faster along the neuron.
Put these parts of a reflex arc in the correct order
receptor → sensory neuron → relay neuron → motor neuron → effector