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svp [43]
3 years ago
5

PLEASE HELP WILL GIVE BRAINLIEST

Biology
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

b it describes more on how the rates and how the diversity

of an ecosystem

Explanation:

san4es73 [151]3 years ago
4 0

Answer:

A.) When one species grows or decreases, which destabilizes the ecosystem and then things start to die, Example: Beetles grow in population and eat all the grass, now the grass is gone, the ants now don't have anything to eat, the ants therefore die. Now the anteaters die because they have nothing to eat, therefore the tigers decrease because they don't have anteaters. etc

B.)  When there is more speciation there is more diversity and when there is less speciation there is less diversity. If the rate of speciation is higher than the rate of extinction, the number of species present will grow, and conversely, if extinction rate is higher, the number of species present will fall.

C.) When something goes extinct, new organisms are born. An example of adaptive radiation is the development of mammals after the extinction of dinosaurs.

Explanation:    

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Can anyone please tell me the answer to these? I’m left clueless. 30 points!
inn [45]

                                                nucleic acid

                                                DNA        RNA

                            double chain                  single chain

                   deoxyribose                                          ribose

          ACGT                                                                        ACGU

     Nucleus                                                                               Cytoplasm

No                                                                                                            yes

                                                                                                  mRNA, rRNA, tRNA

that's how you put it in the diagram

4 0
3 years ago
While inspecting the genome sequence of your newly discovered organism, you note that while the genome overall is 50% G + C, the
mars1129 [50]

Answer:

D

Explanation:

1. As given, the  overall genome contain 50% G+C.

And the concept is that G is always pairs with C.

and A is always pairs with T.

So, in a dsDNA,  A+G= T+C

2. As there that, there is a cluster of genes comprising about 20,000 bp that is 64% G + C so this so that the 20,000 bp segment is a recent acquisition via horizontal gene transfer.

4 0
3 years ago
An explosion is an example of a(n) ___________ reaction
ludmilkaskok [199]
A explosions is a example of chemichal reaction
3 0
3 years ago
Read 2 more answers
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and p
DerKrebs [107]

Answer:

The correct answer is ''proteins.''

Explanation:

Transport phenomena are essential in living beings, either to carry a hydrophobic molecule through an aqueous medium (transport of oxygen or lipids through the blood) or to transport polar molecules through hydrophobic barriers (transport through the cell membrane). Biological transporters are always proteins. Proteins are capable of carrying out specific functions such as the selective transport of molecules, or certain enzymatic reactions, among others. Membrane proteins can be peripheral or partially or totally integrated into the membrane, being, generally, globular or fibrous. Its activity is essential for the maintenance of transmembrane gradients. Thanks to membrane proteins, the exchange of molecules such as nutrients or waste products takes place, as well as the reception of external signals. Among its functions are channel-forming: Integral proteins arranged in the membrane in such a way that they give rise to the formation of a pore or channel, usually hydrophilic. These pores or channels allow the entry and exit of certain substances from the cell.

7 0
3 years ago
What is used to find true north on a compass
hodyreva [135]
 it finds magnetic north
4 0
3 years ago
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