biology topic 1

Question 1

What are the 5 animal kingdoms?

Answer 1

Animalia, Plantae , Fungi, Protoctista, prokaryote

Question 2

what is a vertebrate?

Answer 2

a vertebrate is an animal that has a backbone.

Question 3

what is an invertebrate?

Answer 3

an invertebrate is an animal that doesn’t have a backbone

Question 4

why is a vertebrate classified in phylum chrodata?

Answer 4

this is because they have a backbone.

Question 5

other groups of vertebrates?

Answer 5

Mammals, reptiles and birds.

Question 6

define the term species?

Answer 6

species are a group of organisms that can interbreed/

Question 7

define the term fertile?

Answer 7

Fertile mean they are able to reproduce.

Question 8

Define the term variation?

Answer 8

differences in characteristics are called variation.

Question 9

explain what is meant by survival of the fittest?

Answer 9

we call this survival of the fittest or natural selection.

Question 10

in which part of the cell are chromosomes found?

Answer 10

The chromosomes are found in long strands of D.N.A

Question 11

what are alleles?

Answer 11

Alleles are genes for the characteristics and they are different forms of genes.

Question 12

how many chromosomes are there?

Answer 12

there are 23 pairs for male and female.

Question 13

what are gametes?

Answer 13

gametes are sex cells.

Question 14

what is the male gametes and animal gametes

Answer 14

the male gametes are sperm cells in animals pollen grains in grains.

Question 15

what are female gametes and animal gametes

Answer 15

the female gametes are egg cells in plants and animals.

Question 16

describe what cystic fibrosis is?

Answer 16

Cystic fibrosis is a genetic disorder. the lungs get clogged up with thick sticky mucus.

Question 17

define what homoeostasis?

Answer 17

Homoeostasis is inside the body ( the internal environment)

Question 18

what is diabetes

Answer 18

people who have high glucose levels have diabetes.

Question 19

type 1 diabete

Answer 19

this is when pancreas is not producing enough insulin therefore its injected into the fat layer of skin as its absorbed quicker

Question 20

what causes type 2 diabetes?

Answer 20

type 2 diabetes is caused by high fat diets, a lack of exercise and obesity