Chapter 1 (characteristics and classification of living organisms)

Question 1

Describe the difference between avascular plants and vascular plants

Answer 1

avascular: vascular bundle (tube-like structure) is not present
vascular: Vascular bundle is present and divides into two (xylem/phloem)

Question 2

An action made by an organism that causes a change in position

Answer 2

Movement

Question 3

A chemical reaction that takes place in cells that breaks down nutrition to release energy

Answer 3

Respiration

Question 4

Ability to detect or respond to the change in environment

Answer 4

Sensitivity

Question 5

A permanent increase in cell number, size and dry mass

Answer 5

Growth

Question 6

Process of making more of the same kind of organism

Answer 6

Reproduction

Question 7

Removal of toxic materials or excess substances

Answer 7

Excretion

Question 8

Taking in materials for growth, energy and development

Answer 8

Nutrition

Question 9

Define binomial system

Answer 9

A system of the scientific names of organisms that consists of Genus and species which scientists around the world can use.

Question 10

7 taxa

Answer 10

domain -> kingdom -> phyllum -> class -> order -> family -> genus -> species

Question 11

scientific names for:
warm blooded
cold blooded

Answer 11

Homoithermic (can regulate body temperature to keep it constant)
poikiothermic (body temperature depends on environment and have varied body temperature)

Question 12

Arthropods

Answer 12

• Insects
• Arachnids
• Crustaceans
• Myriapods

Question 13

3 body segments, 3 pairs of legs, pair of wings, antennae, compound eyes

Answer 13

Insect

Question 14

2 body segments, 4 pairs of legs, no wings, no antennae, simple eyes

Answer 14

Arachnids

Question 15

5 or more pairs of jointed legs, 2 pairs of antennae, breathes through gills, compound eyes

Answer 15

Crustaceans

Question 16

One pair of antennae, many body segments, many pairs of legs, simple eyes

Answer 16

Myriapods

Question 17

Name 3 more invertebrates

Answer 17

Annelids, Molluscs, Nematode

Question 18

Long segmented body covered in mucus, segmented worms

Answer 18

Annelids

Question 19

Animals with soft unsegmented body, may have shells, no limbs

Answer 19

Molluscs

Question 20

Long thin bodies with no rings, no legs, no obvious head, round worm

Answer 20

Nematode

Question 21

Describe the difference between avascular plants and vascular plants

Answer 21

avascular: vascular bundle (vascular: tube-like structure) is not present
vascular: Vascular bundle is present and divides into two (xylem/phloem)

Question 22

Classify whether homoiothermic or poikiothermic:

mammals, birds, fish, reptiles, amphibians [all are mammals]

Answer 22

homoiothermic: mammals, birds
poikiothermic: fish, reptiles, amphibians

Question 23

1 leaf in the seed, narrow leaves, parallel veins

Answer 23

monocotyledons

Question 24

2 leaves in seed, wide leaves, branching veins

Answer 24

Dicotyledons

Question 25

Protoctist:

• –> protophyta:__________
• –> protozoa___________

Answer 25

protophyta: plant-like features/ chloroplast present
protozoa: animal-like feature/ no chloroplast present

Question 26

Bacteria cell wall made up of

Answer 26

peptidoglycan (protein & cellulose)

Question 27

Do bacteria have nucleus?

Answer 27

no luv, they do have plasma tho and it makes up 5% of the bacteria (only some bacteria has it :( for survival purposes to create resistant against damage)

Question 28

Fungi wall cell made up of

Answer 28

chitin (type of sugar)

Question 29

Fungi wall cell made up of

Answer 29

chitin

Question 30

Parasitic (hijacks hosts cell) and will reproduce inside it.

Answer 30

virus