classification of living things

Question 1

define movement

Answer 1

action which cause organism or part of organisms causing change of positions or place

Question 2

define respiration

Answer 2

chemical reactions in cell that breakdown nutrient molecules to release energy for metabolism

Question 3

what is the meaning of sensitivity

Answer 3

ability to detect and respond appropriately to internal and external environment

Question 4

what is the meaning of growth

Answer 4

permanent increases in size and mass by an increases of cell size or number or both

Question 5

define reproduction

Answer 5

process which makes more of the same kind of organism

Question 6

define excretion

Answer 6

removal of unwanted waste products of metabolism ( chemical reaction in cells including respiration), toxic materials and substances in excess required

Question 7

what is nutrition

Answer 7

taking in materials for energy, growth and development

Question 8

define the meaning of species

Answer 8

a group of organisms that can reproduce to produce fertile offspring

Question 9

why do we need to classify living things?

Answer 9

its easier to study them
understand evolutionary rs
identify which animal is at risk of extinction

Question 10

what are the 3 ways to classify

Answer 10

1. anatomy - detailed body structure
   morphology - overall body shape and structure
   DNA (sequence of bases) and protein (sequence of amino acid)

Question 11

what is the binomial systen

Answer 11

its the naming system using the genus and the species created by Carls Linnaeus

Question 12

why is the binomial system good/ useful

Answer 12

allows scientist to accurately identify species and avoid confusion when diff languages is used

Question 13

which is the genus and species of canis lupus

Answer 13

canis is the genus and lupus is the species

Question 14

name the 5 kingdoms

Answer 14

animal, plantae, fungi, prokaryotes and protoctista

Question 15

name the characteristic of the animal kingdom

Answer 15

animal- no cell wall or chloroplast , nucleus, hunt, multicellular, ingest food internally

Question 16

list the characteristics of plantae kingdom

Answer 16

multicellular, has nucleus and cell wall made of cellulose, chloroplast and makes owns food

Question 17

name the characteristics of fungus

Answer 17

hyphae, cell wall of chitin, no chloroplast and has nucleus

Question 18

list the characteristics of prokaryotes

Answer 18

small single cell, no nucleus, cell wall of protein sugar and lipid , cell membrane & cytoplasm with granules, DNA in single coiled form, slime capsule and flagella for movement

Question 19

list the characteristics of protoctista

Answer 19

multi or uni cellular, single cell, nucleus, may hv cell wall and chloroplast

Question 20

name the characteristics of annelids

Answer 20

elongated cylindrical shape, segmented body, brittles or chaetae

Question 21

characteristics of molluscs

Answer 21

hard shell made of calcium carbonate

muscular foot and eyes on tentacles

Question 22

characteristic of nematodes

Answer 22

usually parasitic, elongated cylindrical body with pointed ends

Question 23

name the characteristics of arthropods

Answer 23

has exoskeleton, segmented bodies and jointed limbs

Question 24

what are the characteristics of crustacean

Answer 24

5 or more pairs of joined legs, hard exoskeleton, body divided into 2 and 2 pairs of antennas

Question 25

what are insects

Answer 25

3 pair of legs, 2 pairs of wings and 1 pair of antenna

Question 26

what are archnids

Answer 26

8 legs, several simple eyes, body divided into 2 , no antenna

Question 27

LAST ONE WHAT IS MYRIAPODS

Answer 27

10 or more pairs pf legs, 1 pair of antennae, simple eyes and segmented body

Question 28

corda is also known as

Answer 28

phylum vertebrates

Question 29

what is the difference between monocotyledon and dicotyledon

Answer 29

mono- one cotyledon, parallel veins, fibrous roots, leaves are thin and narrow, floral part in 3s and vascular bundle complex
di- 2 cotyledon, network veins, tap roots, floral parts in 4s or 5s , leaves are broad and wide and vascular bundles ring

Question 30

explain angiosperms

Answer 30

root, stem leaves

flowers for reproduction, seeds inside fruits and cellulose cell wall

Question 31

describe the characteristics of ferns

Answer 31

true roots, stems , leaves and vascular tissues, reproduces by spores, lives in damp places, rhizomes and adventitious root

Question 32

describe the characteristics of moss

Answer 32

uni or multi cellular, no roots, stems or leaves, photosynthesis pigments, lives near water

Question 33

what is the characteristics of algae

Answer 33

simple leaves and stems

has rhizoids for anchorage and absorption of water, no vascular tissues and needle life leaves

Question 34

what is gymnosperms

Answer 34

reproduce by seeds - cones and needle like leaves

Question 35

how does fungus eat food

Answer 35

they produce an enzyme which help digest food and then they absorb them

Question 36

hyphae forms a network called

Answer 36

mycelium

Question 37

where does fungus produce spores

Answer 37

inside sporangium

Question 38

what does protoctista use for locomotion

Answer 38

flagella, cilia and pseudopodia

Question 39

how does bacteria feed and respire

Answer 39

feed- photosynthesis or live on food

respiration - anerobic

Question 40

what are the benefits and disadvantages of prokaryotes

Answer 40

decomposers, help with digestion

pathogens

Question 41

what are the characteristics of virus

Answer 41

very very very small, no typical structure, needs a host to survive, has a protein coat called capsids, contains DNA/RNA strains , only life process is reproduction and constantly changes/ mutate