Question

individual assignment progress: 19/25 answered score: 17 / 25 (68.00%)
characteristics | motorcycle | virus
--- | --- | ---
made of cells | a (dropdown) | b (dropdown)
grows/ develops | c (dropdown) | d (dropdown)
responds to stimuli | e (dropdown) | f (dropdown)
evolves | g (dropdown) | h (dropdown)
maintains homeostasis | i (dropdown) | j (dropdown)
uses energy | k (dropdown) | l (dropdown)
reproduces | m (dropdown) | options: unsure, yes, no (with ls dropdown open showing these options)

Explanation:

Each characteristic is evaluated based on biological definitions of life and non-life properties:

1. Made of Cells: Motorcycles are non-living (no cells); viruses are acellular (no true cells).
2. Grows/Develops: Motorcycles don't grow; viruses don't grow independently.
3. Responds to Stimuli: Motorcycles have no biological response; viruses don't respond to stimuli on their own.
4. Evolves: Motorcycles are man-made, no biological evolution; viral genomes mutate/evolve over time.
5. Maintains Homeostasis: Motorcycles lack biological regulation; viruses can't maintain homeostasis.
6. Uses Energy: Motorcycles use fuel (non-biological energy); viruses only use host cell energy, not their own.
7. Reproduces: Motorcycles are manufactured, no reproduction; viruses replicate only inside host cells.

Answer:

Made of Cells:
A. No
B. No

Grows/ Develops:
C. No
D. No

Responds to Stimuli:
E. No
F. No

Evolves:
G. No
H. Yes

Maintains Homeostasis:
I. No
J. No

Uses Energy:
K. No (non-biological fuel use is not biological energy use)
L. No (relies on host cell energy)

Reproduces:
M. No
(For virus reproduces: Yes, but only via host cells)