BIOLOGY HIGH SCHOOL

Compared with the walls of arteries, the walls of capillaries.A. are thicker
B. are thinner
C. lack valves
D. have more resistance

Answers

Answer 1
Answer: The correct answer is B. are thinner.

Compared with the walls of the arteries are thinner than the walls of the capillaries.
Capillary is termed as a small blood vessel which is from five to ten micrometers. They are known to be the smallest blood vessels in the body. 

They do convey blood between venules and arterioles. Substances which exits from capillaries include glucose, water, and oxygen. In embryonic development, new capillaries are formed through vasculogenesis.
The artery is termed as the blood vessel which takes away blood from the heart to the other parts of the body. Many arteries carry oxygenated blood except umbilical arteries and pulmonary artery which carries deoxygenated blood. Arteries are responsible to deliver nutrients and oxygen to all cells as well as they remove carbon dioxide and waste products.
Answer 2
Answer: Compared with the walls of arteries, the walls of capillaries B. are thinner. Due to definitions of both arteries and capillaries.

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What is the name for the principle that brings floating crust into gravitational balance?

Answers

The correct answer to the question above is isostasy. The name for the principle that brings the floating crust into gravitational balance is isostasy. The isostasy refers to the gravitational equilibrium state of the Earth's crust and mantle.

Correct answer: Isostasy

Isostasy is the state of gravitational equilibrium between the mantle and the earth's crust. It tries to explain how different topographic heights exists on the earth surface.

It tries to balance all large portions of the earth's lithosphere. It controls the regional elevations of oceans and continents according to the density of rocks.

On this diagram of earth, where is the light intensity the least?

please answer asap!!

Answers

answer B ：A point

C is strong

Answer:

D

Explanation:

If A is at the top and D is at the bottom on the diagram of Earth, the light intensity would be the least at point D. This is because point D, being at the bottom, is the farthest away from the light source (presumably the Sun) and is likely to be in shadow or experiencing reduced light compared to the other points.

Which type of chromosomal mutation is responsible for causing Turner syndrome

Answers

Answer:

This syndrome is caused by the deformity or absence of the X chromosome.

Explanation:

The X chromosome is the one that women contributes in the process of fertilization. In this syndrome the X chromosome is defective or absent.

Girls born with this problem have different alterations that can cause a disorder in musculoeskeletal development or also the absence of their internal genital  characters.
The chromosomal mutation that causes Turner syndrome is that there is no second chromosome that determines sex of the individual. It was also called "monosomy disorder"

Describe an ecosystem and identify the different trophic levels.

Answers

An ecosystem is a closed system consisting of living and non-living things.

Trophic Level 1: Primary Producer
Trophic Level 2: Primary Consumer
Trophic Level 3: Secondary Consumer
Trophic Level 4: Tertiary Consumer

which term refers to a solution with more molecules outside the cell than inside the cell? hypertonic hypotonic equitonic isotonic

Answers

The answer is hypertonic

Answer: hypertonic

Explanation:

Dentify the interaction used to describe each type of interdependence among organisms. The red-billed oxpecker (a bird) eats ticks off the fur of an impala (a type of antelope). The oxpecker receives food and removes the ticks from the impala. Titan triggerfish move large rocks in the ocean to find food. In return, smaller fish are able to eat because the moved rocks expose food. The titan triggerfish are not affected.

Answers

The type of the interaction that defines the type of interdependent relationship among the given organism is as follows:

1. The red-billed oxpecker eating ticks off the fur of the impala shows mutualism. The oxpecker receives food by eating the ticks and the impala get rids of the ticks. Here, both the organisms are benefiting from their relationship, and hence, it is mutualism.

2. The titan triggerfish moves large rocks to find food, which in turn helps other smaller fishes to eat the exposed food. In this relationship, the smaller fishes are benefiting while the triggerfish is neither harmed or benefited. Hence, this shows commensalism.

Answer:

The correct answer is mutualism and commensalism.

Explanation:

An ecological relationship is the interaction of species or organisms living in an ecosystem depending on environmental conditions and food webs. This interaction could be inter-specific (between two species) or intra-specific (among same species).

According to the question, there are two cases of interaction which shows the following interaction:

1. The Oxpecker and Impala- an example of "mutualism" as both the bird and impala are benefited as bird receives food and ticks are removed from impala.

2. Titan Triggerfish and smaller fish- an example of "commensalism" as Tigerfish is not affected while small fishes get benefited by the movement of large fish.

Thus, mutualism and commensalism is the correct answer.
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