Answer:
it is both
Explanation:
it's manure because it's waste matter n a fertilizer because it make plants grows when added to the soil
Answer:
sympatric speciation
Explanation:
Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.
The steps for sympatric speciation are:
- An ancestral species inhabit a geographic area.
- With time, different populations of the same species occupy different niches or microhabitats in this general area.
- As the microhabitats are different, they have different environmental pressures that are acting on each population.
- These pressures lead to the origin of differences between groups, which need to adapt to each environment
- Each population suffers genetic changes due to environmental conditions. These changes are inheritable.
- With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.
In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. <em>Speciation occurs in the same distribution area of the original species</em>. The new species originate in a place with no physical barriers but different environmental pressures.
In the exposed example,
- <em>The introduced Cichlid fishes 200 years ago</em> → Original species and the common ancestor between the new derivated species
- <em>The lake</em> → general geographic area
- <em>The main lake and the streams</em> → Microhabitats or niches with different pressures each
- <em>The groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups.</em> → Speciation process.
A numerical expression includes numbers and operations, so if youre wanting a numerical expression for the number 20, all you have to do is add, subtract, multiply, or divide numbers to equal that.
For example, 5+15=20, 4*5=20, 80/4=20, 29-9=20
Answer Migration, in turn, covers both immigration and emigration. Another key difference is, immigration is permanent while migration doesn’t have to be. People who travel and stay in a country for a few months — for instance, because of a seasonal job they have — are also called migrants.
Explanation:
<h3><u>Answer;</u></h3>
C. Mature sex cells
<h3><u>Explanation;</u></h3>
- <u><em>Human somatic cells or body cells are diploid such that they contain two sets of 23 chromosomes which gives a total of 23 chromosomes.</em></u>
- Examples <em><u>of somatic cells in the body that are diploid include, epithelial cells, somatic cells, liver cells, blood cells, nerve cells, etc.</u></em>
- However, <u><em>mature sex cells are haploid, which means they have one set of 23 chromosomes which means they have 23 chromosomes.</em></u> Sex cells are the results of meiosis type of cell division in which a diploid cell divides to form four daughter cells that are haploid.
