CH 1 Chemical, cellular and Evolutionary Foundations Flashcards Preview

Final Exam > CH 1 Chemical, cellular and Evolutionary Foundations > Flashcards

Flashcards in CH 1 Chemical, cellular and Evolutionary Foundations Deck (14):
1

What is a theory?

A set of ideas proven to be correct to explain a phenomenon

2

What are the characteristics of a living organisms

ComplexAble to change in response to environmentAble to reproduceHave the capacity to evolve

3

What is the first law of thermodynamics?

Look up

4

What is the second law of thermodynamics?

Entropy will increase or stay the same

5

Define entropy

Amount of disorder in a system

6

What is a cell?

The simplest self replicating entity that can exist as an independent unit of life

7

What are three essential features of a cell?

Can store and transmit informationHas a plasma membraneCan harness energy from the environment

8

What is a gene?

Region of DNA that encodes a functional RNA or protein product

9

What are the differences between a prokaryote and a eukaryote?

Prokaryote lacks a membrane bound nucleusEukaryote cell with a nucleus

10

How does a cell harness energy?

From the sunChemical compounds ATP and metabolism

11

Why aren't viruses considered the smallest living organisms?

They cannot harness energy from their environment

12

Define evolution

Change of heritable traits of biological populations over successive generations

13

What is ecology?

Study of how organisms interact with one another and with their environment

14

What is a hypothesis?

Proposed explanation for a phenomenon