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Vaselesa [24]
2 years ago
9

Which is most responsible for the synchronized contraction of cardiac muscle tissue?

Biology
1 answer:
Klio2033 [76]2 years ago
8 0

Answer:

ap junctions

Explanation:

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A)
Rina8888 [55]

Answer:

a) high bite force

b) hawks will deplete

Explanation:

a) Hawks and lions have high bite force to rip raw flesh to feed on. Lions also have bite force to ensure that once they grip its hard to let go. Also to feed on raw hard flesh

b) hawks would have less food on the plate do some will die of hunger. Some will flee to a better places. And hence leaving the previous location with low numbers of hawks.

6 0
2 years ago
Read 2 more answers
Mutation is an important mechanism for evolutionary change. Which type of mutations contribute to evolution?
rodikova [14]
Adaptations are the result of evolution in different living organisms. This process occurs amazingly through gene mutation but it takes a very long period in time. Adaptation processes occur to help species survive and thrive in the ecological balance of life. Structural adaptations are physical features of an organism that adapted through time. An example of this are the bills of a bird and the fur of bears that they generally need for their survival; birds for hunting, and bears to protect them from low climate areas.
<span>
Functional or Behavioral adaptations refer to particular things that an organism or organisms do to survive. In the example above, behavioral adaptations that birds do is through certain bird calls and migration, while bears hunt during warmer seasons and hibernate during winter season. </span>
5 0
3 years ago
Which of the following is not a characteristic of all life
Alexeev081 [22]

the answer could be breath oxygen or respond to stimuli. Hope this helps!

8 0
3 years ago
Describe how the central nervous system differs from the autonomic nervous system.
nexus9112 [7]

Answer: Autonomic: Acting or occurring involuntarily, without conscious control. Central nervous system: The part of the peripheral nervous system that transmits signals from the central nervous system to skeletal muscles, and from receptors of external stimuli, thereby mediating sight, hearing, and touch.

Explanation:

3 0
3 years ago
Read 2 more answers
John and Pat are identical twins with identical DNA. John works in a movie theater, and Pat works as a lifeguard. They have very
Elina [12.6K]

Answer:

A. Skin color, a polygenetic trait, is also determined by environmental factors.

Explanation:

When you are a lifegaurd you are outside much more which means you are very likely to get a tan; Therefore changing the pigment of Pat's skin.

I hope this helps you :) Have a nice day!

6 0
3 years ago
Read 2 more answers
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