Question

Which describes a disadvantage of sexual reproduction?

A.
inherits traits for better survival

B.
takes longer for new individual to develop

C.
has variation in genetic backgrounds

D.
is genetically identical to parent

Answer 1

@scienceteen8

Answer 2

B

Answer 3

Which statement best describes the process of asexual reproduction?

A.
A seed is produced by a sunflower plant.

B.
A female bird lays an egg after it is fertilized internally by a male, but it develops externally.

C.
After fertilizing an egg, a larva transforms into a butterfly.

D.
A bacterium splits into two separate organisms.

Answer 4

@scienceteen8

Answer 5

the answer is B

Answer 6

for question 1 or 2?

Answer 7

@Urja @scienceteen8

Answer 8

I think 2 is D

Answer 9

yea i think so to but this one im not 100% sure

Answer 10

What happens when an individual suffers a bacterial infection in his legs?

A.
The digestive system will digest and excrete the bacteria.

B.
The immune system will digest the bacteria and produce antigens.

C.
The respiratory system will exhale the bacteria out of the body after it reaches the lungs.

D.
The endocrine system will create hormones in response to the bacteria.

Answer 11

@scienceteen8 @Urja

Answer 12

D

Answer 13

Ok thats what I thought to

Answer 14

Which part of a sperm cell is responsible for providing the cell's energy?

A.
flagellum

B.
mitochondria section

C.
round head

D.
cell wall

Answer 15

@scienceteen8 @Urja

Answer 16

im sorry for the confusion !!!
1-b
2-d
3-d
i think these are the answers

Answer 17

ok thx

Answer 18

@scienceteen8 @Urja Q 3 answer plz, urja answered it but want to check with @scienceteen8 just to make 100% sure

Answer 19

yea i agree also

Answer 20

i think it is mitochondria for the last one

Answer 21

hmmmm I was Thinking B, imma go with B and let you know later who was correct

Answer 22

How do sex cells differ from other cells in an animal's body?

A.
They do not need energy to perform their functions.

B.
They have half the number of chromosomes.

C.
They are usually much larger.

D.
They are always moving.

Answer 23

yea its b lolz

Answer 24

@Urja @scienceteen8

Answer 25

ok thx

Answer 26

for 4 it is B

Answer 27

thx

Answer 28

are u saying B option that bacteria will be digested is correct?

Answer 29

In a plant, roots absorb water and nutrients. Those materials are then transported to other parts of the plant.

Which statements describe the system in an animal that functions in a similar way?

Choose all answers that are correct.

A.
The endocrine system is responsible for transporting materials throughout the animal's body.

B.
The water in a plant's system functions like the blood in an animal's body, moving needed nutrients throughout the organism.

C.
The water in a plant's system functions like the hormones in an animal's body, and hormones move nutrients throughout the animal's body.

D.
The circulatory system is responsible for transporting materials throughout the animal's body.

Answer 30

@Urja @scienceteen8

Answer 31

it is....D& B

Answer 32

ok cool next and thx almosst done

Answer 33

np

Answer 34

How does the immune system work together with the circulatory system to function properly?

A.
The infection site receives oxygen-depleted blood from the circulatory system's arteries, so the immune system works harder.

B.
Pathogens released by immune cells cause increased blood flow to the infection site, which brings other pathogens to the area more quickly.

C.
The white blood cells of the immune system fight and destroy pathogens.

D.
Red blood cells move through the body (to parts where they are needed) in the blood vessels of the circulatory system to fight infection.

Answer 35

@Urja @scienceteen8

Answer 36

D

Answer 37

Which best explains what would happen to the muscular system if the digestive system broke down?

A.
No energy would be available to the cells, and the organism would not be able to move.

B.
Oxygen would not be removed, and the muscles would not be able to move.

C.
An increase in wastes would be sent to each cell, and they would become infected.

D.
No carbon dioxide would be available to the cells, and the organism would die.

Answer 38

why not C?

Answer 39

Yeah I thought C too but now im not sure @Urja

Answer 40

i think this one is A

Answer 41

hold on let me check with brainly

Answer 42

what grade are you in

Answer 43

Thats what they think to so imma go with A

Answer 44

LAST ONE!!!!!!!
Which best describes the life cycle of an insect that undergoes complete metamorphosis?

A.
larva → egg → pupa → adult; adult still produces an exoskeleton regularly

B.
egg → larva → pupa → adult; adult still produces a cocoon

C.
egg → larva → pupa → adult; adult is fully formed and capable of reproduction

D.
egg → pupa → larva → adult; adult is fully formed, but is not capable of reproduction

Answer 45

i think C because white blood cells are involved in fighting infections

Answer 46

im in 7th grade

Answer 47

@Urja @scienceteen8

Answer 48

ok cool im helping with 7thgrade science

Answer 49

i've just passed my 11th grade

Answer 50

what grade you in?

Answer 51

@scienceteen8 and @Urja ?

Answer 52

C im in 6th n im 13

Answer 53

Cool imma bout to submit answers! HERE WE GO!!!!!

Answer 54

hehe...nice!
i m 17

Answer 55

lolz and good luck

Answer 56

I PASSED!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! OMG MY GUYS YOU GUYS ARE SOOO FUKING AWESOME!!!!! (Sorry for cuss word im just really happy) YES YES YES YE YES YES YES !!!!! OMG YOU GUYS ARE AWESOME!!!!!!!!!!!!!!!!

Answer 57

lolz YOUR WELCOME :)

Answer 58

my pleasure @Why_Study_Alone

Answer 59

You both have me as a fan now...

Answer 60

ys are soooooo awesome! I NEEDED TO PASS AND YOU GUYS HELPED ME!!! OMG YES YES YES! (Im really happy sorry)

Answer 61

cool

Answer 62

lol thats ok

Answer 63

Do you guys have any social media or email or skype?

Answer 64

oh great! just signed up on the website! and made a fan :D

Answer 65

i have skype instagram facebook and kik

Answer 66

What ur skype @scienceteen8 ?

Answer 67

Mines KirbyBeast03

Answer 68

awesome @ urja and its soccerteen8

Answer 69

ok,,, I dont have facebook lol :) :| :(

Answer 70

r u a girl or guy @Why_Study_Alone and @Urja

Answer 71

Male 12 (Almost 13)(Im youngest in my grade) USA WI

Answer 72

lol im the oldes in my grade and cool

Answer 73

Your USA Nixa or something right?
@scienceteen8 ?

Answer 74

? what is that

Answer 75

omg I set info to wrong person on skype hold on

Answer 76

oh i have gmail
mine is jazmynnicole1@gmail.com i need more friends i only got 1 k

Answer 77

ok mines KirbyBoss2003@gmail.com

Answer 78

great! which country are u both from?

Answer 79

USA

Answer 80

im from usa lol jk im in orlando

Answer 81

im from india

Answer 82

cool

Answer 83

wow cool

Answer 84

im going to close question lets use skype or email... @scienceteen8 find me on skype KirbyBoss2003

Answer 85

ok

Answer 86

ok friends ill mail u

Answer 87

ok sounds good bye guys!