What relationship does a lamprey attached to another fish have with that fish?a. mutualism
b. parasitism
c. competition

Answers

Answer 1

Answer:

Answer:

Parasitism

Explanation:

Parasitism may be defined as a biological interaction in which one organism (parasite) lives on the body of other organism (host). The parasite can directly obtained ready-made food from the host.

Lamprey attaches with another fish , can directly obtain nutrient and may cause harm to fish. Here, lamprey is parasite and the fish acts as a host for lamprey.

Thus, the correct answer is option (b).

Answer 2

Answer: Lampreys are parasitic fish, so the relationship is also parasitic.

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Using the characteristic chart provided, which of the following characteristics would absolutely identify a flowering plant and eliminate the other species?A.Its seeds are often developed in a cone.B.It has true leaves, stems, and roots.C.It's often found in dry places.D.The seeds are enclosed in a fruit.
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This is a plastid with chlorophyll in plants that photosynthesize.

Various types of plants use different strategies to optimally photosynthesize. A common strategy for plants on the forest floor is to produce large,thin leaves that span over large areas. Which factor of photosynthesis is a reactant that is maximized by this strategy?

Carbon Dioxide
Light energy
oxygen
Water

Answers

Light energy is a reactant that is maximized by this strategy for photosynthesis on the forest floor.

What is photosynthesis?

In a process known as photosynthesis, plants and trees combine carbon dioxide from the atmosphere with energy from the sun to create the food they need to survive and develop. The trees and plants in forests help to produce oxygen as a consequence of photosynthesis by storing carbon above and below the ground.

The majority of the oxygen that people and animals breathe is produced through photosynthesis. This is how it goes: Roots of trees and plants take up water from the earth as well as minerals and nutrients. The leaves or needles also take in carbon dioxide from the atmosphere at the same time. These basic ingredients are delivered to chlorophyll-containing plant cells. Utilizing the power of sunshine, chlorophyll converts water and carbon dioxide into oxygen and carbon-based molecules like glucose, a sugar that aids in plant growth. The plant or tree also makes extra oxygen throughout the process, which it releases into the atmosphere.

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Answer: it’s light energy

Explanation:

Daphnia are freshwater organisms sometimes referred to as “water fleas.” Design an experiment thatcould be used to test the effects of temperature on the size of a daphnia population. In your
experimental design, be sure to:
• state a hypothesis to be tested
• describe how the control group will be treated differently from the experimental group
• identify the independent variable in the experiment
• identify the type of data that will be collected

Answers

An experiment is where scientific data is gathered and analysed to form inferences. Moreover, we can establish a testing ground on the daphnia population, let say by embryology. Hence, we can observe ina controlled manner how temperature influences the growth and formation of offspring by mothers of the daphnia population considering that offspring can contribute to population growth.

Answer

• state a hypothesis to be tested

Development rate increases faster with temperature that growth rate

• describe how the control group will be treated differently from the experimental group

The control group will be raised at 8 different temperatures to assess their size at maturity, and their asymptotic size.

• identify the independent variable in the experiment

3 clonal lines that differ in asymptotic size and growth rate.

• identify the type of data that will be collected

Measurements of the individual length of Daphnia

Explanation

In this experiment, the temperature-size rile(TSR) was utilized where it will be found that responses on temperature size observed at maturity is different from that manifested at asymptotic size. It will be observed that thermal shift in resources allocation may completely or partly result to a thermal plasticity in maturity size. Moreover, it will be seen that thermal plasticity in asymptotic size is controlled by temperature related challenges.

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents?

Answers

The genotype of the mother is XX while the genotype of the father is XY.

A genotype simply means the collection of genes in an individual. It is also referred to as the alleles that are inherited in a particular gene.

In this case, since red-green color blindness is a recessive trait, this implies that it will not be visible in a heterozygous female. Hence, the dominant allele will therefore mask the recessive allele.

Since the father has only one X chromosome, then if the trait was present in that X chromosome, he must have shown the trait because all the alleles in Y chromosome are recessive. In this case, the son has inherited the trait from the mother.

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Genotype of Mother: XX°

Genotype of Father: XY

Explanation:

Since the Red-green colour blindness is a recessive trait , it will not be visible in a heterozygous female because dominant allele will mask the recessive allele.
Father has only one X chromosome, thus if the trait was present in that X chromosome he must have shown the trait because all the alleles in Y chromosome are recessive.
Since the son has inherited the trait it is obvious that he had recieved the trait from his mother who must have been the carrier.

A food chain is made up of interrelated food webs.

Answers

False, it's the other way round. Food webs consist of many food chains joined together.

What is an analogy to a farm for chromatin of an animal cell?

Answers

Ok the hemophilia is a recessive disorder found in the X chromosome of males abd females. For an example Patricia is a healthy carrier of hemophilia and that is for another example Sam is completely healthy then Patricia hope that helped

30? POINTS (APEX)if the fatty acids of the cell membrane were completely saturated, a cell would
A) dissolve in water
B) be more permeable
C) lose its water
D) be less permeable

Answers

If the fatty acids of the cell membrane were completely saturated, a cell would be more permeable. Thus, the correct option is B.

What is a cell membrane?

A cell membrane may be defined as a biological membrane that untangles the interior of all cells from the external environment and shields the cell from its environment.

The presence of saturated fatty acids increases the membrane permeability due to the presence of only single bonds. It increases the transport of molecules between the inner and outer compartments of the cell.

Therefore, the correct option for this question is B.

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