animal/plant groups and viruses

Question 1

vestigial

Answer 1

a structure that has evolved to become small that is irrelevant

Question 2

matamorphosis

Answer 2

changing from a larva with one body form to an adult with a different form

Question 3

fish

Answer 3

vertebrates with scales
have gills throughout their life
have fins
their eggs have no shell and are laid in water

Question 4

amphibians

Answer 4

vertebrates with skin
their eggs have no shell and laid in water
tadpoles live in water, adults live on land
tadpoles have gills for gas exchange, adults have lungs

Question 5

reptiles

Answer 5

vertebrates with scaly skin
they lay eggs with soft shells

Question 6

birds

Answer 6

have feathers, or sometimes scales
have a beak
front 2 limbs are wings, not all can fly
lay eggs with hard shells

Question 7

mammals

Answer 7

have hair on their skin
their young develop inside a uterus
females produce milk to fee their young
different kinds of teeth
have a pinna on the outside of the body
have sweet glands on the skin
have a diaphragm

Question 8

types of arthropods

Answer 8

arthropods, insects. crustaceans, arachnids, myriapods

Question 9

arthropods

Answer 9

an animal with jointed legs but no backbone
have exoskeleton

Question 10

insects

Answer 10

3 pairs of jointed legs
2 pairs wings
breathe through trachea
body is divided into a head, thorax abdomen
1 pair of antennea

Question 11

crustaceans

Answer 11

more than 4 pairs of jointed legs
2 pairs of antennea

Question 12

arachnids

Answer 12

arthropods iwth 4 pairs of jointed legs
have no antennae
body divided in 2- cephalo thorax and abdomen

Question 13

myriapods

Answer 13

consists of many similar segments
each of their body segments has joined legs
1 pair of antennae

Question 14

ferns

Answer 14

are plants with roots, stems and leaves
do not produce flowers
reproduce by spores produced on the underside of their fronds

Question 15

flowering plants

Answer 15

are plants wiht roots, stems and leaves
reproduce using flowers an seeds
seeds are produced inside an ovary in the flower

Question 16

what are the 2 main groups of flowering plants

Answer 16

dicotyledons and monocotyledons

Question 17

dicotyledons

Answer 17

seeds with 2 cotyledons
usually have a main root with side root coming out
leaves have a network of veins
flower parts in multiples of 4 and 5
have vascular bundles in the stem, arranged in a ring

Question 18

monocotyledons

Answer 18

seeds with 1 cotyledon
roots grow out directly from the stem
leaves have parallel veins
flowers petals in multiples of 3
vascular bundles in the stem are in a scattered conformation

Question 19

viruses

Answer 19

not considered living because they need to occupy a host to survive. not classified into the five kingdoms.
no nucleus, organel, cell membrane, not a cell

Question 20

virus infection sequence

Answer 20

1. virus sequence infects the cell
2. it releases its genetic material
3. cell produces virus components
4. virus particles are assembled
5. virus particles are released, and they may destroy the cell by erupting its membrane.