i think it has to do with how old it looks, because a star starts off as a baby little star, a different color and size. its also in a nursery with a lot of other stars, which is called a nebula. as the stars grow older and larger, they change color and drift apart. the scientists must've seen that the star has a totally different color from the baby ones, way brighter and much larger, also seeing that stars grow apart, it has not really many stars living around it for miles and miles. they must've guessed that it was probably really old.
Electron Transport Chain or ETC is a series of compounds which transfer electrons to electron transfer from electron donors thru a redox reaction which in turn, couples this electron transfer with the proton transfer (H+ ions) through the membrane.
<span>The negatively charge particles that chlorophyll loses to the transport chain or ETC are replinished by the molecules of water. Water is divided and electrons from it are used to replace the electron found in the chrlorophyll pigment.</span>
Answer:
C
Explanation:
No, because some organisms are not diploid and have more than two sets of chromosomes.
Answer;
-Communities that experience moderate disturbances often exhibit greater species diversity than other communities,
-Moderate disturbances create openings/opportunities for colonizing species
Explanation;
-Ecological disturbances may be generated by abiotic, or nonliving, forces such as weather and wildfires, or they may occur as a result of biotic, or living, forces such as disease and invasions of exotic species.
-Disturbance can result from natural causes or from the activities of humans.
Disturbance can be caused by physical stressors such as volcanic eruptions, hurricanes, tornadoes, earthquakes, and over geological time, glacial advance, and retreat.
-Humans can also cause physical disturbances, for example, through construction activities. Wildfire is a type of chemical disturbance caused by the rapid combustion of much of the biomass of an ecosystem and often causing mortality of the dominant species of the community such as trees in the case of a forest fire.
Answer:
Mars could have life.
Explanation:
This is because it is at a temperature that could sustain life. Also, bacteria has been found from Mars.
