Answer:
A principle of law stating that within a sequence of undisturbed sedimentary rocks, that the oldest layers are on the bottom and the youngest are on the top. rock layers have a unique set of fossil animal and plant remains which can be used to determine the relative ages of rock layers.
Explanation:
The plasma membrane needs lipids, which make a semi-permeable barrier between the cell and its environment. It also needs proteins, which are involved in cross-membrane transport and cell communication, and carbohydrates, which decorate both the proteins and lipids and help cells recognize each other. Hope this helps :)
<u>Answer:</u>
<em>It is not true to say that common ancestors occurs only within a single species rather two species with similar traits might have a common ancestor. </em>
<u>Explanation:</u>
If the ancestor is same for both the species then it is said that both the species are closely related and share common ancestor with similar evolutionary relationship.
Phylogenetic tree are drawn and studies are done to understand the ancestor of a species. The evolution has occurred from the ancestor to the new species formed.
<span>1. Neutrons are found __________ and have ___________ charge.
in the nucleus; neutral
Question 2. Which of the following particles has a positive charge?
proton
Question 3. Which of the following particles has a negative charge?
electron
Question 4.In which state of matter do the particles move somewhat freely but still not enough to fill the entire space of a container?
liquid
Question 5.In which state of matter are the particles the LEAST attracted to each other?
gas
I am 100% sure of these answers. Have a nice day.</span>
