How does temprature affect the respirtion rate of th goldfish

2 answers:

7 0

the respiration rate will increase as temperature increases. An increase in temperature will minimize the amount of dissolved oxygen in the water and increase the metabolic rate of the goldfish, thus causing the goldfish's respiration rate to increase (“Hot waters make it hard for fish to breathe”).

yanalaym [24]3 years ago

3 0

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Trade winds blow from the horse latitudes toward the______.

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the correct answer is the equator

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What is a drug found in tobacco that speeds up heartbeat? * 5 points?

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How can it be possible that scientists do not currently have fossil evidence for every organism that once lived?

olya-2409 [2.1K]

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How can you know what happened millions of years ago if no one was there to see it? Evidence and observation are the building blocks of all scientific inquiry; ... of the fossil record, geological formations, and genetics attest to change having taken ... clues together into a cohesive explanation of the diversity of living things. Because of the specialized and rare conditions required for a biological structure to fossilize, many important species or groups may never leave fossils at all. Even if they do leave fossils, humans may never find them—for example, if they are buried under hundreds of feet of ice in Antarctica.

Explanation:

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2 years ago

Jena is reading about factors that affect Florida's climate. One sentence reads: Most of Florida is less than 100 feet above sea

Marrrta [24]

Answer:

Jena is reading about the elevation.

Explanation:

Elevation is the altitude (height) above the sea level. The Florida being at the height of less than 100 feet is its elevation.

The major factor that affects the climate of that region is its elevation.as the elevation increases i.e. the height of the place from sea level increases the temperature of that place lowers.

For every 1 kilometer rise in elevation the temperature decreases by 6.5 degree Celsius. Hence, Jena is concerned about the elevation.

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2 years ago

Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two disti

alina1380 [7]

Answer:

sympatric speciation

Explanation:

Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.

The steps for sympatric speciation are:

An ancestral species inhabit a geographic area.
With time, different populations of the same species occupy different niches or microhabitats in this general area.
As the microhabitats are different, they have different environmental pressures that are acting on each population.
These pressures lead to the origin of differences between groups, which need to adapt to each environment
Each population suffers genetic changes due to environmental conditions. These changes are inheritable.
With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.

In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. Speciation occurs in the same distribution area of the original species. The new species originate in a place with no physical barriers but different environmental pressures.

In the exposed example,

The introduced Cichlid fishes 200 years ago → Original species and the common ancestor between the new derivated species
The lake → general geographic area
The main lake and the streams → Microhabitats or niches with different pressures each
The groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups. → Speciation process.

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3 years ago