A species of insect is newly introduced into the United States from the Philippines. This insect becomes established, laying its eggs on the leaves of oak trees. How can a biologist determine if the relationship between the insect and the oak tree is commensalism, mutualism, or parasitism?
Answers
Commensalism describes the interaction between the insect and the oak tree.
What is commensalism?
It is a type of biological interaction between two species in which one of the interacting species is benefitted while the other species is unaffected.
How is the above interaction commensalism?
Since the insect gets a safe place to lay its egg it gains from this interaction while the tree is unaffected.
When will this interaction be a mutualism interaction?
- When both the organisms benefit from the interaction.
- If the insect helps in the pollination of the tree while the insect gets a safe place to lay its egg.
When will this interaction be a parasitic interaction?
- When one of the organism benefit at the expense of the other.
- For example, If the insect sucks the sap of the tree on which it lays its egg. The insect benefits while the tree is harmed.
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Answer:
its D!!!
Explanation:
If the insect benefits and the tree neither benefits nor is harmed, the relationship is commensalism.
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b. 2646 J
c. 333 J
d. 3.00X10-3 J
Answers
The work done by Lamar in deadlifting 300 kg to a height of 0.90 m above the ground is 2646 Joules
Work is the amount of energy exerted in other to perform an activity. Work is the product of force and displacement. It is given by:
Work = force * displacement
Given that the mass = 300 kg, height = 0.9 m, acceleration due to gravity (g) = 9.81 m/s². Hence:
Work = mass * acceleration due to gravity * height
Work = 300 * 9.81 * 0.9 = 2646 Joules
The work done by Lamar in deadlifting 300 kg to a height of 0.90 m above the ground is 2646 Joules
Find out more at: brainly.com/question/22599382
Answer:
(b) 2646 J
Explanation:
Earth's gravitational field exerts gravitational force that has direction towards the center of earth, we know that where there is force there is work.
Work by definition is given by.
here in this case
is force because of gravity which has the magnitude of
.
We are making an assumption that we are not too high to change the value of
And .
Putting or substituting these values in the equation of work that i introduced above gives.
and it is Option (b).
Note! units will always be joules for work, joule by definition is Nm.
and .
Answers
Answers
Answer:
Its reflection
Explanation:
Light reflects from a smooth surface at the same angle as it hits the surface. For a smooth surface, reflected light rays travel in the same direction. This is called specular reflection. ... Diffuse reflection is when light hits an object and reflects in lots of different directions. Welcome.
Answers
ΔG = ΔH – TΔS
Answer:
Melting of ice is an endothermic process, meaning that energy is absorbed. When ice spontaneously melts, ΔH (change in enthalpy) is "positive". ΔS (entropy change) is also positive, because, becoming a liquid, water molecules lose their fixed position in the ice crystal, and become more disorganized. ΔG (free energy of reaction) is negative when a reaction proceeds spontaneously, as it happens in this case. Ice spontaneously melts at temperatures higher than 0°C. However, liquid water also spontaneously freezes at temperatures below 0°C. Therefore the temperature is instrumental in determining which "melting" of ice, or "freezing" of water becomes spontaneous. The whole process is summarized in the Gibbs free energy equation:
Explanation:
c. air
b. water
d. opaque
Answers
Hey there the answer is medium