Photosynthesis
What does it mean that a plant is an autotroph?
They a producer- they make their own food through photosynthesis.
What two organs are involved in the CNS (central nervous system)
Brain and Spinal Cord
What are biotic factors?
Living things in an environment.
Define a theory
Mental model of the natural world
This living animal has the heaviest brain... A: African Bush Elephant, B: Black Rhinoceros, C: Sperm Whale, D: Human
C. Sperm Whales. They have the heaviest brain of any living animal. The average Sperm Whale's brain weighs more than 20 pounds (9 kilograms) which is about 4 times heavier than the average human brain.
What is the main organelle in photosynthesis?
chloroplasts
The neuron (specialized nerve cell which composes nervous tissue) has three main parts. The cell body, dendrite, and the _____
axon
What is ecology?
The study of how living things interact with one another or their environment.
Define a hypothesis
A testable prediction based on a theory
Which of the following has the longest recorded life span. A: Termite, B: Chimpanzee, C: Indian Elephant, D: Freshwater Oyster
What is the Freshwater Oyster (80 years.) The longest recorded life span for a termite is 50 years; for a chimapanzee, 50 years; and for an Indian elephant, 70 years.
What are the reactants of photosynthesis?
Water, sunlight, and carbon dioxide
The nervous system has two parts- the CNS and the ____
PNS (Peripheral Nervous System)
What is the difference between biotic and abiotic factors? give examples of each.
Biotic factors are living things in the environment, abiotic are nonliving factors in the environment.
Biotic- frog, tree, bush, cat, fungi, bacteria, human etc.
Abiotic- soil, sunlight, water, rock, etc.
Name 5 organ systems we learned about in class
Digestive, Respiratory, Excretory, Muscle, Skeletal, circulatory, nervous, and
What organism has the longest life span out of ANY organism on earth?
Bristlepine cone Tree - Methusalah
What are the products of photosynthesis?
glucose and oxygen
What makes a reflex arc unique is that the nerve pathway skips sending a signal to the __1__. Instead, the interneurons sends a signal to the __2__ neuron, which causes your muscle's reaction.
1. Brain
2. Motor Neuron
What is interdependence?
The idea that all living and nonliving things depend on each other for survival.
What are the four types of tissue we learned in class?
Epithelial, muscle, nervous, connective
What is the most common element in the human body?
Oxygen. It makes up almost 63% of the average human. Following, are major elements and the percentages of the human body that they represent: Oxygen- 62.81% Carbon- 19.37% Hydrogen- 9.31% Nitrogen- 5.14% Sulfur- 0.64% Phosphorus- 0.63% Other- 2.10%
What is the chemical equation for photosynthesis?
6C2O + 6H2O + light -> C6H12O6 + O2
What is the job of the PNS?
Carries messages from the sensory organs to the CNS.
Name the 5 levels of ecology in order.
Organism (individual) - population - community - ecosystem - biosphere
What are the 6 characteristics of life
- Grow reproduce develop
- Gather matter and energy
- respond to stimuli
- organized
-pass on genetic information
- Adapt to the environment
What organism is the largest on earth? (learned about in class)
Humongous Fungus- (Armillaria ostoyae) or honey fungus