1) Characteristics and Classification of Living Organisms

Question 1

What do we mean by the “characteristics” of living organisms?

Cognito

Answer 1

The characteristics of living organisms are a set of feature that all living organisms have in common, and have to have to be considered alive.

Question 2

MRSGREN

Quizlet

Answer 2

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition

Question 3

Movement

Quizlet

Answer 3

an action by an organism or part of an organism causing a change of position or place

Question 4

Respiration

Quizlet

Answer 4

the chemical reactions that break down nutrient molecules in living cells to release energy

Question 5

Sensitivity

Quizlet

Answer 5

the ability to detect or sense changes in the environment (stimuli) and to make responses

Question 6

Growth

Quizlet

Answer 6

a permanent increase in size and dry mass x an increase in cell number/cell size/both

Question 7

Reproduction

Quizlet

Answer 7

the process by which living organisms produce offspring

Question 8

Nutrition

Quizlet

Answer 8

taking in of nutrients which are organic substances and mineral ions containing raw materials or energy for growth & tissue repair, absorbing and assimilating them

Question 9

Who was Carl Linnaeu?

Cognito

Answer 9

Carl Linnaeus was an 18th-century scientist who came up with the binomial system for naming organisms and the Linnaean classification system for classifying living organisms

Question 10

What is the binomial naming system?

Cognito

Answer 10

Every species has a binomial name, which is made up of two parts: the genus name and the species name.

Rules:
1) Both names should be written in italics (or underlined if handwritten)
2) All letters should be lowercase, exept for the first letter of the genus name

binomial name for humans is Homo sapiens (Homo=genus, sapiens=species)

Question 11

3 advantages of using a binomial system to name species

Cognito

Answer 11

1) It eans each species has a unique name, which avoids confusion
2) It allows scientists from different parts of the world to discuss species
3) It can show how closely related organisms are

Question 12

What is the Linnaean classification system?

Cognito

Answer 12

He classified living things into kingdom, phylum, class, order, family, genus, and species.

KPCOFGS

Question 13

Who was Carl Woese?

Cognito

Answer 13

Carl Woese was a 20th-century scientist who used microscopes and modern technology to develop the three-domain system to classify organisms.

Question 14

What are the three domains?

Cognito

Answer 14

1) Archaea
2) bacteria
3) Eukaryota

Question 15

What kingdoms does the domain euaryota contain?

Answer 15

1) animals
2) plants
3) fungi
4) Protists (protoctists)

Question 16

What is an evolutionary tree?

Cognito

Answer 16

An evolutionary tree is a diagram that shows the evolutionary relationships between different organisms

Question 18

What are the 5 kingdoms of Life?

Cognito

Answer 18

1) Animals
2) Plants
3) Protoctists
4) Fungi
5) Bacteria