chapter 1

Question 1

movement

Answer 1

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

Question 2

respiration

Answer 2

chemical reaction in cells that breaks down food molecules (glucose molecules) to release energy

Question 3

sensitivity

Answer 3

is the ability to detect a stimulus and to make appropriate responses to internal and external environment

Question 4

growth

Answer 4

it the permanent increase in size or dry mas by an increase in cell number or cell size

Question 5

reproduction

Answer 5

its the process of making more of the same kind of organism

Question 6

excretion

Answer 6

removal from organisms of waste products of metabolism, toxic materials and substances in excess or requirement

Question 7

nutrition

Answer 7

taking in of materials for growth energy and development
- plants require light energy, carbon dioxide and water
- animals need organic compounds and water

Question 8

urea

Answer 8

is a toxic component found in urine a high concentration of urea can cause blood poisoning, it is released in urine and sweat

Question 9

neurons

Answer 9

relay neuron
sensory neuron
motor neuron

Question 10

classification

Answer 10

separating or sorting living organisms according to their common characteristics and features.

Question 11

species

Answer 11

group of living organisms that are capable of reproducing successfully and producing fertile offspring.

Question 12

genus

Answer 12

a group of living organisms with a large number of similarities but whose different species usually are not capable to interbreed successfully.

Question 13

binomial system

Answer 13

an internationally agreed system in which the scientific name of the organism is made up of two parts, showing the genus and the species.

Question 14

what are the rules of the genus

Answer 14

it is the 1st part
capital letter
underlined or italic

Question 15

what are the rules of the species

Answer 15

2nd part
small letter

Question 16

morphology

Answer 16

the study of how organisms look like.

Question 17

anatomy

Answer 17

the study of body structure.

Question 18

DNA analysis

Answer 18

can be used for a more accurate method for classifying living organisms.

Question 19

DNA

Answer 19

deoxyribo nucleic acid, and it is found in the cell inside the nucleus.

Question 20

explain how organisms are similar

Answer 20

organisms which share a more recent ancestor are more closely related and have base sequences of DNA and amino acids sequences in proteins, are more similar than those that share a distant ancestor.

Question 21

what are the five kingdoms

Answer 21

animal kingdom
plant kingdom
fungi kingdom
prokaryotes kingdom
Protoctista kingdom

Question 22

the animal kingdom is classified into

Answer 22

vertebrates and invertebrates
phylum chordates and phylum arthropods

Question 23

vertebrates have

Answer 23

backbone, skull and jaws

Question 24

phylum chordates are classified into

Answer 24

class amphibians
class fish
class mammals
class birds
class reptiles

Question 25

class amphibians

Answer 25

moist smooth skin on land breath through lungs in water gas exchange through their skin

Question 26

class fish

Answer 26

-they have fins for movement -gills for gas exchange -stream lined shape to decrease water resistance -scales to reduce friction

Question 27

class mammals

Answer 27

mammary glands sweat glands hair, wool, fur four types of teeth ear pinna 3 bones in the middle ear

Question 28

class birds

Answer 28

beaks feathers wings scales on legs

Question 29

class reptiles

Answer 29

dry scaly skin

Question 30

body temperature

Answer 30

warm blooded cold blooded

Question 31

warm blooded

Answer 31

keeps body temperature constant

Question 32

examples on warm blooded animals

Answer 32

mammals birds

Question 33

cold blooded

Answer 33

body temperature changes according to the environment

Question 34

examples on cold blooded animals

Answer 34

fish amphibians reptiles

Question 35

eggs

Answer 35

hard shell soft shell

Question 36

hard shell

Answer 36

for protection from animals and dehydration

Question 37

example on animals who birth hard shells

Answer 37

birds reptiles

Question 38

jelly eggs

Answer 38

no need for protection from dehydration

Question 39

examples on animals who birth jelly eggs

Answer 39

fish amphibians