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andre [41]
1 year ago
10

The virus introduced to the island in 1982 that reduced the wolf population is an example of ________.

Biology
1 answer:
KengaRu [80]1 year ago
5 0

The virus introduced to the island in 1982 that reduced the wolf population is an example of a density dependent factor.

In ecology, a density-dependent factor, also known as a regulatory factor, is any force that modifies the size of a population of living creatures in response to population density.

Because of their propensity to maintain population densities, density-dependent factors are also known as regulating factors.

Population size and a density-dependent factor's level of control are correlated, therefore an increase in population will increase the influence of the limitation. Density-dependent factors involve biotic factors such as availability of food , predation, competition,  parasitism and disease.

Learn more about density dependent factor here :

brainly.com/question/23579465

#SPJ4

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Which of these is a POSSIBLE effect of a heavy landslide?
makkiz [27]

Answer:

The impact of a landslide can be extensive, including loss of life, destruction of infrastructure, damage to land and loss of natural resources. Landslide material can also block rivers and increase the risk of floods. so C

7 0
3 years ago
Will there be water flow into or out of the fish without proper homeostatic processes? Will the fish experience "bloating" or "d
ikadub [295]

(Question 1 points 3)

No. There will be no water flow into or out of the fish without proper homeostatic processes. The body temperature of fish is regulated by the temperature of the water. the fishes only allow the solvent (water) to move across, but not the solutes. A fish is, after all, a collection of fluids floating in a fluid environment.

(Question 2 points 3)

The fish will not experience "bloating" or "dehydration” because in nature all organisms maintain normal conditions through homeostasis. It is the tendency toward a relatively stable equilibrium maintained by physiological processes by the body. Gills of fishes, enzymes help in maintain. Humans drink water in case of dehydration.

(Question 3 points 3)

Fish are the cold-blooded creatures of God. Most of the fishes cannot control their internal body temperature by themselves just like human beings. In order to stay at a normal and a healthy temperature, or to obtain temperature homeostasis, the fish seek warmer or colder water for water retention when they face the excessive water loss.

5 0
3 years ago
-
fiasKO [112]

Explanation:

-Pheophytin

P680 the primary donor of Photosystem II becomes excited and transfers an electron to pheophytin. Pheophytin is the initial intermediate electron acceptor and carrier in Photosystem II; it is a chlorophyll-like molecule that lacks a central magnesium ion.

Further Explanation:

Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen is released. This occurs in several complex steps, photosynthesis is a rate limited reaction, depends on several factors including carbon dioxide concentration, ambient temperature and light intensity; the energy is retrieved from photons, I.e. particles of light, and water is used as a reducing agent. This occurs in the thykaloids, where pigment molecules like chlorophyll reside.

The chloroplast is a membrane bound organelle found in plants. It contains several invaginations of a plasma membrane called the thylakoid membrane. This contains chlorophyll pigments, in stacks called granum, while the internal spaces of the organelle are called the lumen. Liquid surrounds the granum, forming the stroma.

During the light reaction:

  • Light is absorbed by pigments in phosystem II (PSII). This energy is transferred among pigments til it gets to the reaction center, and is transferred to P680; this promotes an electron to a higher energy level where it then goes to an acceptor molecule, like Pheophytin .
  • Water supplies the chlorophyll in plant cell with replacement electrons for the ones removed from photosystem II. Additionally, water (H2O) split by light during photolysis into H+ and OH- acts as a source of oxygen along with functioning as a reducing agent.
  • the electron moves down an electron transport chain (to PS I)where it experiences continuous energy loss. This energy fuels the pumping of H+ from the stroma to thykaloid, leading to the formation of a gradient. The H+ move along their gradient and cross through ATP synthase, into the the stroma.
  • ATP synthase converts ADP and Pi to the energy storage molecule ATP.
  • The electron gets to photosystem I where it goes to pigments at P700. It absorbs light energy, the electron is promoted to a higher energy level, and passed to an electron acceptor. This leaves a space for another electron which is then replaced by one from photosystem II.
  • in the ETC, the molecule NADP is reduced to NADPH by providing H+ ions. NADP and NADPH are integral to the Calvin cycle where monosaccharides or sugars like glucose are produced after the modification of several molecules.

Learn more about Photosynthesis at brainly.com/question/4216541

Learn more about cellular life at brainly.com/question/11259903

#LearnWithBrainly

8 0
3 years ago
Describe the relationship between group and individual behaviors in animals.
Fofino [41]

Explanation: Animal social behavior, the suite of interactions that occur between two or more individual animals, usually of the same species, when they form simple aggregations, cooperate in sexual or parental behavior, engage in disputes over territory and access to mates, or simply communicate across space.

5 0
3 years ago
The roots of the aquatic plant hydrilla are poorly developed and lack xylem tissue. Which is an appropriate justification for th
masya89 [10]

C) As hydrilla is aquatic in nature, the roots do not have to search for water, and there is no need for xylem to absorb water because the plant is surrounded by water.

7 0
2 years ago
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