Random Biology
How many bones does the human body have
206
Removal of trees and reduces habitats
State what is meant by the term ecosystem
Community plus the habitat (and all other non-living components)
The central nervous system consists of the:
Brain & spinal cord
How much energy is lost from one level to the next in a food chain?
90%
What does a food chain always start with
Producer
Is Ocean or forest the largest carbon sink of earth
Ocean
The neuron has many branch-like extensions called ___________ that receive input from other neurons.
Dendrites
Jellyfish have hearts - True or False
False
State the name of a piece of equipment that is used to accurately measure amount of liquid
Measuring cylinder
Biotic = living things in ecosystem
Abiotic = non living things in ecosystem
The main components of the endocrine system are
Hormones & glands
What part of the brain might be damaged if someone has lost the ability to form new memories?
Hippocampus
Which of the following type of neurons receives information from the external world and conveys it to the central nervous system?
Sensory neurone
Name 3 biotic and 3 abiotic factors
Predation, Competition, Grazing
pH, Light, Temp
The flood of sodium (Na) ions into the cell during an action potential increases the charge inside the cell, a process also known as
Depolarisation