Chapter 1 Flashcards
(44 cards)
Members of a _________ should be able to reproduce together.
Species
The __________ even includes places such as your eyelashes, pools of hot, acid water in Yellowstone National Park, and cold, windswept rocks in the Aleutian Islands.
Biosphere
In places where __________ is high, there are more species.
Biodiversity
NEED ENERGY. NEED SUNLIGHT. CAN REPRODUCE.
MADE UP OF ONE OR MORE CELLS. PRODUCE SEEDS.
CAN MOVE. ABILITY TO FEEL PAIN. NEED SLEEP.
REACT TO THEIR ENVIRONMENT.
Out of the words above which four ARE characteristics of all living organisms, and which aren’t.
ARE- need energy, can reproduce, made up of one or more cells, and react to environment
ARENT- need sunlight, produce seeds, need to sleep, ability to feel pain
The most common organisms on the earth have?
One cell
Animals need ________ in order to build up or break down materials.
Energy
Cells reproduce by?
Dividing
When organisms reproduce, they pass on their?
Genetic material
All organisms store their genetic material in?
DNA
An organism is A. A type of species B. An environment in the biosphere C. Any individual living thing D. The basic unit of life
C.
The scientific study of all forms of life is called?
Biology
Fill in the outline with the basic system of life.
ORGANISM BIOSPHERE CELL ECOSYSTEM
^ | 1. | 2. | 3. | 4. v
- Biosphere
- Ecosystem
- Organism
- Cell
Match the terms with the correct function.
A. Brain cells. 1. Carry an organism
B. Enzymes. 2. Process information
C. Feet. 3. Pumps blood through the body
D. Heart. 4. Enable chemical processes
E. Teeth. 5. Grind food
A to 2 B to 4 C to 1 D to 3 E to 5
List the conditions that are regulated by homeostasis
TEMPERATURE. OUTSIDE ENVIRONMENT. BLOOD SUGAR
ACIDITY. THOUGHTS.
Temperature. Blood sugar. Acidity.
Humans shiver in response to cold because of the body’s attempts to maintain an even ?
Temperature
Homeostasis is important because _________ need certain conditions in order to function.
Cells
The body usually uses ___________ feedback to maintain homeostasis
Negative
The conditions outside the body are always (the) same / changing, but the conditions inside your body are generally very changeable / stable.
Changing, stable
True or false. All living species evolve and change over time.
True or false. Adaptation occurs when you get cold and put on a coat.
True
False
Organized group of related parts that interact to form a whole.
System
Physical environment with different species that interact with each other and with non living things.
Ecosystem
An inherited trait that gives an advantage to an individual organisms and is passed on to future generations.
Adaptation
The change in living things over time
Evolution
The maintenance of constant internal conditions in an organism
Homeostasis