Answer:
Im not sure how to circle but the three components should be circled...
Explanation:
There are 8 nucleotides in this picture.
A nucleotide consists of a phosphate group (the blue circle), a pentose sugar (the blue pentagon), and a nitrogenous base (the red, green, purple, and yellow hexagons). One nucleotide would only have one of the nitrogenous bases.
Answer:
1. True
Biotic factors can have effect on abiotic factors like water by the way they use it and how much they drink. If biotic factors drink too much water in a rivver then it could end up with limited amount of water for the ecosystem.
2. False
On average, about 50 percent of energy available within one trophic level is transferred to the next trophic level.
3. True
Extirpation is extinction of a species in a given area.
The variation in beak type enables the different individuals in a population to feed on different food sources.
The shape of the beak is key to determining the primary food source of the bird. Certain birds species have specialized beaks, but within populations of those species, there is a variation in beak shape.
This gives the population the ability to respond to changes in the environment and availability of different food sources.
For example, if because of a dry period there is a shortage of fruit, some individuals in the population have the beaks that enable them to feed on other things, survive and leave offspring.
Answer:
Density-dependent factors include disease, competition, and predation. Density-dependant factors can have either a positive or a negative correlation to population size. With a positive relationship, these limiting factors increase with the size of the population and limit growth as population size increases.
Explanation:
Definition - the state or quality of something being humid.
Two things that increase humidity are
1) more water vapor in the air (more moisture)
2) lower temperature
