Can you help me answer these Biology questions?

Question

Here they are...

1. Living things are based on a universal....*blank*

2. A group of organisms that changes over time is said to...*blank*

3. Label each of the illustrations below according to the level of study represented.

*A herd of buffalo* *Half of the world* *A cell-like structure*

So do you know these? I was a little caught up on these. Thanks for your help! :)

Answer 1

1. has to be God

Answer 2

1.  code (dna)

2.  evolve

3.  it's going to be in your book

4.  macrobiology

Answer 3

2 is evolve