ITEM BANK neurons
Integrative function
Motor function
Sensory function
nerve impulses

1. - to sense changes (known as stimuli) both outside and within the body. For example the eyes sense changes in light and
the ear responds to sound waves. Inside the body, stretch receptors in the stomach indicate when it is full and chemical receptors in the blood vessels
monitor the acidity of the blood.
2. -processing the information received from the sense organs. The impulses from these organs are analysed and stored as
memory. The many different impulses from different sources are sorted, synchronised and co-ordinated and the appropriate response initiated. The
power to integrate, remember and apply experience gives higher animals much of their superiority.
3. - The third function is the response to the stimuli that causes muscles to contract or glands to secrete.
All nervous tissue is made up of nerve cells or .These transmit high-speed signals called which
can be thought of as being similar to an electric current.

answer; ///as energy flows through an ecosystem,energy (decreases) at each

the father in the first generation probably had the recessive colorblind trait in his x chromosome. if he and his wife both had the colorblind trait, even if she had 1 recessive and 1 dominant, then that trait would be passed on to their kids.

(since you didn't attach the family tree this is just an assumption)

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.

all these collisions do one thing, and that thing is explained in the last option. when dusst, rocks and ice collide, they harden and form giant layers of rocks or hard ice.

d)   to harden materials to form different parts of earth’s layers

hope it ,

bioteacher101