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iragen [17]
3 years ago
12

Enzymes have specific _____ that determine their function. carbohydrates starches lipids shapes

Biology
1 answer:
pogonyaev3 years ago
4 0
Pretty positive the answer is shapes
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Over the decades local and global ice ages have lowered sea levels. As a result, there is often a decline in marine diversity du
mel-nik [20]
Your answer is b Changes in the tempurature and salinity of water
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Jezelyn needs to create a project that shows geographic isolation in action and decides to make a video which of the following w
Fynjy0 [20]

Question: Jezelyn needs to create a project that shows reproductive isolation in action and decides to make a video. Which of the following would make the best project?

a video that shows a large river that has penguin populations on both sides

a video that shows penguin species that have different mating dances a video that shows

a penguin that is laying eggs a video that shows penguins in a tidal pool and an open ocean

Answer:

The right option is a video that shows penguin species that have different mating dances.

Explanation:

Reproductive isolation is the inability of animals of closely-related species to interbreed with one another successfully as a result of various differences which can be ecological, behavioral, psychological, or genetic. From the question given above, the difference in the mating dances of the penguin species will not allow the animals to unite and mate. This condition describes reproductive isolation. Reproductive isolation is caused by mating differences, sterility or environmental barriers that eventually lead to the adaptive splitting into two species. However, reproductive isolation is not sufficient but internal barriers to gene flow are required for speciation to evolve.

3 0
3 years ago
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Which of the following is the best modern definition of evolution?
Bogdan [553]

Answer:

c. fittest descent with modification  

Explanation:

Evolution can be defined, in a nutshell, as the process of variation and adaptation of populations over time, and may even cause the emergence of new species from a pre-existing one. In short, evolution is the process that gives rise to a fittest descent with modification. Thus, the great diversity of organisms present on our planet can be explained through this theory.

As we study evolution, we realize that the life forms we know today are not the same as those that lived thousands of years ago. This means that species have an evolutionary history and that many changes happen to them until there are the characteristics we observe today.

Species, therefore, are not fixed, have undergone changes throughout their history on the planet and continue to change. Man, for example, did not appear on earth as we see today, as there were several ancestral species.

4 0
3 years ago
All about birds why are birds able to leave virtually everywhere on earth biology junction
Lelechka [254]
Birds live virtually everywhere on Earth because they have evolved endothermy, the ability to use their metabolism to maintain a constant body temperature.
Birds belong to the class aves; they have an extremely efficient, one way breathing system with additional air sacs. Flying birds have strong, hollow bones and powerful flight muscles. Most birds can fly, they have a strong heart and an efficient way of breathing; which are necessary for birds to fly. 
5 0
3 years ago
Question 3 (Multiple Choice Worth 3 points)
Nezavi [6.7K]

Answer:

Gradually cool a gas and record its change in state.

Explanation:

The experiment is directed towards the removal of thermal energy from a system, so "gradually cool a gas and record its change in state" is the best experiment to use.

Hope it helps.

8 0
3 years ago
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