Question

Which of the following represents a correct sequence of levels within the hierarchy of life? (1 point)
community, population, biosphere
cell, population, organism
cell, organism, tissue
organ, organ system, organism

Answer 1

organ, organ system, organism

Answer 2

1. Which of the following describes why ice floats? (1 point)
The density of ice is higher than that of liquid water.
The density of ice is lower than that of liquid water.
The density of ice is the same as liquid water.
None of the above
2. Why is water vital to maintaining a constant internal environment? (1 point)
It is cohesive.
It is adhesive.
It is a good solvent.
It has a high specific heat.
3. Which of the following is true about a solute? (1 point)
It forms a suspension.
It dissolves a solvent.
It cannot dissolve.
It is dissolved by a solvent.
4. Which of the following is true about an acidic solution? (1 point)
Its pH is below 7.
Its hydrogen ion concentration is low.
It is neutral.
It can act as a buffer.

Answer 3

firt tell ur choice

Answer 4

then i will rsolve ur confusion

Answer 5

tell which float higher density or lower?ur concept?

Answer 6

The density of ice is lower than that of liquid water.
ice has empty spaces, thus have lower density

Answer 7

It has a high specific heat.
thats why it maintains internal temperature of body

Answer 8

It is dissolved by a solvent.

Answer 9

its 4 questions so i don't know how its a test :P but here is my answers for number 4 i think its A

Answer 10

yes right, ask question with ur answer if it it is wrong then we will help u

Answer 11

okay cool

Answer 12

@ryaan what do u think? am i doing wrong according 2 coc?

Answer 13

If I'm not mistaken we're not allowed to help people during tests!
Ask @Preetha or any other mod!

Answer 14

@Ryaan its not a test -_- its called a quick check... not quiz, not a test, just a quick check..

Answer 15

What are the answer 1 through 4