Characteristics 1
Is the list of the characteristics of living beings a set list that will never change?
No! It's a "living" list - scientists do not have final agreement over it yet.
Is an amoeba multicellular or unicellular?
unicellular
What are heterotrophs? AND Give an example.
An organism that obtains its energy from eating and metabolizing other organisms
Examples will vary.
Define biotic AND abiotic.
Biotic: living parts of the environment
Abiotic: nonliving parts of the environment
What is the mistaken idea that living beings arise from something non-living?
spontaneous generation
What is the difference between growth and development?
Growth is getting larger, development is becoming more complex
Life on earth is _______ - based.
carbon
How do living beings use water to sustain life?
Water allows cells to function properly, it dissolves and transports chemicals throughout the body, and it helps organisms break down food to obtain stored energy.
Give an example of biotic factors and an example of abiotic factors.
Answers will vary.
What is a cell?
The building block of life, the structure for all living beings. They can be different sizes, shapes, plant or animal.
List all 6 characteristics of living beings
CELLULAR ORGANIZATION, SIMILAR CHEMICALS, ENERGY USE, RESPONSE TO SURROUNDINGS, GROWTH AND DEVELOPMENT, AND REPRODUCTION
Two words that describe a tree would be...
Multicellular autotroph
What occurs due to limited living space on Earth?
competition for resources
Are bacteria and fungi considered abiotic or biotic?
biotic
What is homeostasis?
an organisms ability to maintain stability of internal conditions
How do living beings break down materials to obtain energy?
Through chemical reactions known as METABOLISM.
Nucleic Acid: for genetic material
Proteins: for growth
Carbohydrates: for energy
Provide an example of homeostasis.
Can vary - shivering to generate warmth, goosebumps to generate warmth through muscle contractions and hair on end, etc.
Give an example of how biotic and abiotic factors interact.
Answers will vary
Where does the mold you see on stale, old bread come from?
The mold comes from microscopic mold spores that are present in the air, reproducing (mostly asexually) under the right environmental - lots of moisture, dark, and warm.