Answer:Run out of food or sometimes they immigrate to lay eggs and or find s better place to live or stay. As well as people destroying biomes.
Explanation:
<span>tree and nest
If a robin builds a nest in a big tree, the robin benefits and the tree
is not helped or harmed. This type of symbiotic relationship is called
commensalism, and it is between the tree and the nest/Robin.
<span>There
are several types of biotic relationships that is occurring every
single moment in the ecosystem and commensalism is one. In contrast,
parasitism is the biotic relationship where one organism doesn't benefit
from the other and is harmed. In this scenario with human beings and
mosquitos, this phenomenon of interaction is distinguished as parasitism
where mosquitos draws blood that contains nutrients from the human
tissue to use it as its source of food and then leaves harmful
substances and bacteria in the human’s blood stream.<span> </span></span></span>
The possible consequence of ozone layer depletion on living organisms is greater exposure to ultraviolet radiation. So the correct option in regards to this question is none of the above. The right option given here is option "d". This increased amount of ground level ultraviolet radiation increase would create more amount of skin and lung cancer for people. yup
Answer: Yes, estimation of a population of plant species in a given area. The tool I used was a QUADRAT.
Explanation:
Plants in a small area are easy to count and their distribution is recorded on a map or scale diagram for the area. For larger areas, quadrats are used to obtain a fairly accurate estimate of the number and types of plants in those large areas.
The ESTIMATION of the population of plants can be done using a method called the quadrat sampling method. Here, a QUADRAT which is a rectangular or square frame(tool) made from thick wire, is thrown at random several times. On each landing, the area covered by if is observed. The type of species and their number within the quadrat are recorded. The average number of times each species appears is calculated and the most frequent or dominant species is then determined.
Some quadrats are specially made to mark off an area for the study of seasonal variations of plants. They are sturdier, larger and permanent and can thus serve their purpose through the seasons. These quadrats often have a mapping grid attached so that the flora within it can be mapped at regular intervals.