Body Systems
The levels of organization in the human body start with the smallest unit and end with the human body, what are the 3 levels between cell and the human body.
Tissue, organ, organ system
If a solution has a pH value of 4 it is a...
Acid
The periodic table lists all 121 unique ______________ found on earth.
Elements
An ecosystem includes all of the biotic and __________ factors in an area.
Abiotic
In a energy pyramid the energy always flows __ .
Up
This organ system transports oxygen, carbon dioxide and nutrients through out the body.
Cardiovascular system
Water is a unique substance in that it has a ___________ pH.
Neutral
The periodic table has columns going across called ________.
In an ecosystem the community level of organization includes ___________.
All of the different populations or species in the area.
In an energy pyramid _______% of the energy moves to the next level and ______% leaves as heat to the environment.
10% and 90%
These three organ systems work together to move the body.
Muscular, skeletal, and nervous
If a solution turns the litmus paper dark blue it is a ______ solution.
Alkaline or basic
The periodic table has rows from top to bottom that are called ______.
Periods
There are two different rainforest ecosystems, what are they called?
Temperate and tropical
A type of organism interaction where one organism benefits and the other organism is not impacted in anyway.
Commensalism
The liver, galbladder, and pancreas are a part of what organ system?
Digestive System
If a plant likes soil that is slightly acidic what number would I want to see on the pH scale?
5-6
The only metal that is a liquid at room temperature is_________.
Mercury
An organism's niche refers to it's ________ in the ecosystem.
Role or job
The ____________ organisms in a foodweb are responsible for returning energy from dead organisms back to the bottom level of the pyramid.
Decomposers
The organ system responsible for exchanging carbon dioxide and oxygen in the blood is called the...
Respiratory system
1-2 and 13-14
Helium, Neon, and Argon are all part of a group of elements called the ___________.
Noble gases
In every ecosystem space, water, food, and weather conditions are reffered to as ________________, because they determine the size of the populations.
limiting factors
plants can be described as _________ and ________.
Autotrophs and producers