Answer:
Photosynthesis begins in chlorophyll-containing photosystems.
Explanation:
Photosynthesis begins in chlorophyll-containing photosystems when the chlorophyll molecules absorb photons of light. This energy passes through other chlorophyll molecules, towards the reaction center of Photosystem II. The researcher should use plant with normal enzyme as a control with a plant having mutant enzyme. A plant that has multiple photosynthetic pigment has greater fitness as compared to plant that has only one type of photosynthetic pigment because multiple pigments absorb different wavelengths of light that allows the plant to capture the maximum amount of energy from the sun for photosynthesis.
Natural changes to the ecosystem refer to environmental phenomenon that occur naturally. Natural changes include floods, volcanic activity, hurricanes, droughts, and earthquakes. They can be destructive, but they also have advantages.
The benefit of the flood is for example providing nutrients to the soil that were lacking. Also t<span>here may be relocation of fishes and organisms living in water bodies, which improves the ecosystem.
Volcano threatens t</span>he people and animals in the area are threatened, but is has also some advantages, for example:<span>the soil becomes rich due to the nutrients from the volcano.
</span>Hurricanes result in the destruction to infrastructure and loss of lives, vegetation, and livestock. The advantage is that it lowers the temperature and t<span>he wind will cause the topsoil to be distributed to areas in which it was lacking.</span>
Answer:

Explanation:
1. Convert acres to hectares
1 ha = 2.471 ac

2. Calculate the number of sheep
You can put 1 sheep on 0.125 ha

The term "motif" refers to recurring ideas or thoughts that act as a unifying idea, and it sometimes develops as a commentary on characterization or on the central ideas in the work. Sometimes motifs recur so frequently that they enhance the meaning of the novel and often rise to symbolic importance.
Answer:
These psychologists study how the brain organizes gestalt's. By pointing out that the whole may exceed the sum of its parts, they noted that we filter sensory information and construct perceptions. To recognize something we first have to perceive it and distinguish it from its surroundings. We order the stimuli by organizing it into meaningful groups using categories such as, proximity, continuity, and closure. The Necker cube provides evidence that by focusing on different parts of the figure, one can force a more stable perception of the cube demonstrating the figure ground principle of consistent interpretation.
Explanation: