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3 years ago

What is the stomach pH of a hyena, shark, and a vulture?

1 answer:

7 0

Stomach acid is measured in pH. Where a smaller pH is a stronger acid. The white backed vulture has a stomach pH of 1.2 and the great white shark has a pH of 1.3.Spotted Hyenas are the largest species of hyena, with females being up to 10% larger than males. They have a body length of 1.3 m (4.25 ft), a tail length of 25 cms (10 inches) and they weigh between 62 and 70 kgs (135 - 155 lbs). Hyenas are carnivores, with some species being mostly carrion eaters, such as the striped hyena, while the iconic spotted hyena is actually mostly a predator who kills and thus eats its food "fresh". Carnivores as well as scavengers have lower pH in their stomachs, which means the concentration of hydro chloric acid is higher.

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Which organisms are not examples of an adaptive radiation?

gavmur [86]

Answer:

Option B, Mammals and reptiles in the post-dinosaur age.

Explanation:

Adaptive radiation is mechanism through which species evolve very fast from common single ancestors. In simple words two different species are said to have evolved through adaptive radiation when they have descended from a single lineage. This is not the case with mammals and reptiles.

Generally in adaptive radiation, a species evolve when it faces new environmental challenges due to change of habitat or area. For example mammals have evolved from dinosaurs.

Hence, option B is correct

5 0

3 years ago

What happens to the carbon atom during photosynthesis

Genrish500 [490]

After the NADPH molecules are formed, they bring pairs of the the molecules into the next part of photosynthesis. ... During this reaction, both the ATP and NADPH transform the carbon dioxide into carbohydrates. The carbon dioxide molecules come from the atmosphere and then enter the Calvin cycle

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3 years ago

Read 2 more answers

Cerebral palsy was once thought to be the result of something that happened during the birth procedure, but we now know that it

Dmitry [639]

Answer:

Explanation:

Cerebral Palsy is a brain injury it occurs while the brain is developing this could be before, during, or after birth. Mutation which is a sudden heritable change in the genome of an individual can result into cerebral palsy when the child is still developing. Mutation affects the gene changing it from it normal state to an abnormal one some mutation can be beneficial but for palsy it is detrimental one affecting the growth and development of the child.

severe jaundice in the infant could also lead to cerebral palsy in an infant child

This damage affects child’s muscle control, muscle coordination, muscle tone, reflex, posture and balance.

It can also impact a child’s fine motor skills, gross motor skills, and oral motor functioning

5 0

3 years ago

What is the genotype of wondercorn?

Ivahew [28]

Idk the genotype but I have to answer a question so

6 0

3 years ago

Match the steps in the cell cycle in the correct order

Tcecarenko [31]

Answer:

1. Chromosomes line up - metaphase

2. Cell growth - G1

3. Final preparations for division - G2

4. Chromosomes get pulled apart - anaphase

5. DNA replication - S

6. Chromosomes condense - prophase

7. Chromosomes uncoil and nucleus reforms - telophase

8. The cytoplasm and organelles divide, and now there are two identical cells - cytokinesis

Explanation:

There are four primary phases, or stages, in the cell cycle, which is a systematic process. Each stage has a goal that has to be achieved before moving on to the next. G1, S, G2, and mitosis are the stages.
There is growth during the G1 phase. A lot of protein is produced and water is pumped in, increasing the volume of the cell. The DNA is also examined at this time to see whether there has been any damage. The G1 phase precedes the S phase, therefore before going into S phase, the cell must make sure it has enough energy reserves.

The cell duplicates its DNA during the synthesis phase, also known as the S phase. DNA content doubles due to the duplication of all chromosomes. The compact state of DNA is created by proteins, which do not exist in and of themselves. Therefore, in order to ensure that the new DNA is properly packed when DNA is replicated, new packaging proteins must be produced. Histones are the proteins that house DNA. The production of new DNA is closely linked to the production of new histones.

A cell multiplies its organelles during the G2 phase. Right before the cells divide into two distinct cells during mitosis, the G2 phase occurs. There must be distinct functioning organelles in each daughter cell. Organelles like the golgi and endoplasmic reticulum are linked networks of sizable membrane pouches that may change size. Other organelles, including mitochondria and chloroplasts, are separate structures that must separate similarly to how cells do.

The process of physically dividing a cell into two daughter cells is called mitosis. Prophase, metaphase, anaphase, and telophase are its four basic stages. The nuclear membrane deteriorates as the chromosomes thicken during prophase. The center of the cell's chromosomes align during metaphase. One chromosome splits in half during anaphase, sending one half to either side. The telophase is characterized by the pinching together of the cell's centre to form two separate cells.

6 0

2 years ago