exploring life

Question 1

Properties of Life

Answer 1

order 
evoltutionary adaptation
response to the environment 
regulation
energy processing
growth and development
reproduction

Question 2

Levels of biological organization

Answer 2

1. Biosphere
2. Ecosystem
3. Communities
4. Populations
5. Organisms
6. Organs and organ systems
7. Tissues
8. Cells
9. Organells
10. Molecules

Question 3

Eukaryotic Cell

Answer 3

A eukaryotic cell is subdivided by internal membranes into various Membrane-enclosed Organells. The largest Organelle is the nucleus.

Question 4

Prokaryotic Cell

Answer 4

In a prokaryotic cell, the DNA is not separated from the rest of the cell by enclosure in a membrane-bounded nucleus.

Question 5

Negative Feedback

Answer 5

The most common form of Regulation is NEGATIVE FEEDBACK, in which accumulation of an end product of a process slows that process.

eg.
body temperature rises -> sweat produced -> body temprerature drops

Question 6

Positive Feedback

Answer 6

the endproduct speeds up its production

eg.
chemicals released by platelets attract more platelets for clotting

Question 7

Taxonomy

Answer 7

branch of biology that names and classifies species

Question 8

Classifying life

Answer 8

Species (Art)
Genus (Gattung)
Family
Order
Class 
Phylum (Stamm)
Kingdom
Domain

Question 9

Life’s Three Domains

Answer 9

Bacteria: most diverse and widespread prokaryotes

Archaea: prokaryotes living in extreme Environments

Eukarya: protists (inicellular eukaryotes), kingdom plantae, kingdom fungi, kingdom amalia