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4 years ago

Is grasshopper separation of oxygenated/Deoxygenated blood yes or no

1 answer:

4 0

no because Separation of oxygenated and deoxygenated blood in the heart of three types of animals. The three-chambered frog heart mixes oxygenated and deoxygenated blood in the ventricle. Therefore, the body never receives fully oxygen-rich blood.

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Which part of the earth system contains the air we breathe?

Crazy boy [7]

The answer is B)Atmosphere

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3 years ago

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If a scientist needs to use a large dataset to explore how corn grows in different soils, how would this data be classified?

Basile [38]

Mixed methods. Hope this helped

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3 years ago

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Members of two different species possess a similar-looking structure that they use in a similar fashion to perform the same func

Misha Larkins [42]

Answer:

By identifying the bones as being homologous structures and by proposing that humans, bats, and dolphins share a common ancestor.

Explanation:

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3 years ago

Turtles and leopards all have four limbs and an amnion. True The common ancestor of lamprey and lancelets had a vertebral column

kramer

Answer:

Explanation:

The objective is to conclude if the statements are true or false based on facts.

1) $\text{ Turtles and leopards all have four limbs and an amnion. }$ True

2) $\text{The common ancestor of lamprey and lancelets had a vertebral column. }$ False

This is because their ancestor is a Chordate who doesn't have a vertebral column but a notochord.

3) True

$\text{Frogs are the sister taxa of turtles and leopards because they are more }$

$\text{related to a common ancestor.}$

4) $\text{Leopards and bass are more closely related than turtles and bass}$ False

This is because the bass is a fish that possess some characteristics traits related to an amphibian (turtle) as compared to a mammal(leopard).

5) $\text{The taxon that shares the most recent common ancestor with frogs is the bass.}$ False

The taxa of turtles share a more common ancestor with frogs compared to bass.

6) $\text{Leopards and lancelets have no common ancestor. }$ False

The common distant ancestor for leopards and lancelets is known as Chordates

4 0

3 years ago

Which of the following modifies and smoothes the respiratory pattern?

stealth61 [152]

The correct answer is: A) pontine respiratory centers

The respiratory centre in the pons is responsible for generating and maintaining the rhythm of respiration. Besides this elementary function, it also has the ability to adjust respiration rhythm in c response to physiological changes. Respiratory centre consists of three major respiratory groups of neurons:

• The dorsal respiratory group (DRG)- initiates inspiration (inhalation)

• the ventral respiratory group (VRG)-responsible for exhalation

• Pontine respiratory group- includes the pneumotaxic (controls both the rate and the pattern of breathing) and apneustic centers (promotes inhalation by sending signals to dorsal group).

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3 years ago