BIOLOGY HIGH SCHOOL

Freshwater ecosystems can be found within terrestrial ecosystems true or false?

Answers

Answer 1
Answer:

Answer:

true

Explanation:

this is true. because some freshwater evosystems are terrestrial
Answer 2
Answer:

Answer:

true

Explanation: took the test

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Convergent evolution suggests different organisms evolved _____ due to _____. similarly; different environments differently; different environments differently; similar environments similarly; similar environments

Answers

The answer is similarly; similar environments.


Convergent evolution suggests different organisms evolved similarly due to similar environments. 


Convergent evolution is a phenomenon of independent evolution of similar traits in species that are in different lineages. These traits are similar in form or function but were not present in the last common ancestor of those species.

There are many examples of convergent evolution among plants and animals.
Among the plants, both cactus and euphorbia are succulent plants, have spines, live in the deserts, but they belong to the different families.
Among the animals, dolphin, which is a mammal, is more similar to fish, than to other mammals. Or, both birds and bat, which is the mammal, have wings.

So, all these examples of convergent evolution suggest that the living in the similar environmental conditions led to development of similar forms between distinct species.

The answer is similarly; similar environments.

Compare and contrast the process of digestion in cindarians and echinoderms

Answers

Some of the major difference in the digestive system of Cnidarians and echinoderm are  

Cnidarians have an incomplete digestive system specifically extracellular digestion occur, where enzymes break down the food particles are degraded by enzymes and absorption occur in its gastrovascular cavity.

While in echinoderms, the digestive system may vary depending on types of species and need of their food types.

They use of tube feet to reach to their food sources and  move their mouth area toward the food. Their digestive system relatively simple when compare with human.

What are the differences between cnidarians and echinoderms?

In Cnidaria only have gastrovascular cavity, diploblastic, presence of stinging cell, Hydrostatic skeleton etc.

In Echinoderm have triploblastic,   water vascular system with unique characteristics, calcareous endoskeleton etc.

Echinoderms have no excretory or respiratory systems.

Learn more about echinoderm,  here:

brainly.com/question/1200652

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cnidaria - incomplete digestion [have only a single opening] ,digestion is extracellular and intracellular ,they have stinging casules called cnidoblast which helps for anchorage,defence and capture prey.
echinodermata - complete digestion[mouth on ventral,anus on dorsal],have water vascular system helps in locomotion ,capture of prey,transport of food....digestion is intracellular

Ponds and lakes can be natural or manmade. true or false

Answers

The sentence shown in the question above, about the existence of natural and artificial lakes and ponds, is true.

What is the difference between lakes and ponds?

  • The lakes tend to be very wide and extend for long ways.
  • Ponds are less wide and do not take up as much space.

Natural lakes and ponds are formed by the accumulation of water in land depressions created by glacial activity, earthquakes, and volcanic craters, among others.

Artificial lakes and ponds are created by human activity, usually to store water for irrigation of crops or other agricultural activities.

Learn more about ponds and lakes:

brainly.com/question/9061111

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Answer:

This is true.

Explanation:

It gave me 100% on the ed quiz i took.

Organic compounds can have what bond? single, double, both a and b, none of the above

Answers

The answer is both A and B.

Answer:

The Correct Answer is Both "A" and "B"

Explanation:

Dr. ewing measured individual differences in a large sample of individuals using intelligence testing. if performances at each age level formed a normal distribution, the results were probably _____-shaped. l u star bell

Answers

A normal distribution illustration exhibits a true symmetric shape. This symmetry is the characteristic of this type of distribution.

Thus, the results were probably symmetrically-shaped (similar to an inverted U).

What is the primary advantage of multiple researchers obtaining the same result? a) Discoveries are more credible when they are independently verified b) Discoveries are less likely to be forgotten years later c) Discoveries are more likely to be disproved by addition

Answers

If multiple researches obtained the same result, it means that the test is highly repeatable ! Highly repeatable results are always very welcomes, because people believe that they have a high validity and high credibility.

So the correct answer is:
a) Discoveries are more credible when they are independently verified
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