Answer: Multiple types of evidence support the theory of evolution: Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations (beneficial features).
Explanation:
Well, both have no skeletal or exoskeletal system and steal nutrients from their hosts. A leech though, usually steals nutrients from latching onto a host and stealing nutrients and such through blood. A tapeworm is accidentally ingested and lives in the stomach of its host, stealing the nutrients from the food the host eats. Hope this helps!
The answer is false. It can happen any time if the year
There are four basic types of learners, they are: visual, auditory, reading and writing and kinesthetic learners.
Active reading is an effective strategy for the READING AND WRITING LEARNERS. The reading and writing learners are very comfortable with written words, they prefer obtaining information by reading and writing. They learn best by interacting with texts.
A motor unit consists of <u>a single motor neuron</u>.
<h3>What is a motor unit?</h3>
Most mature extrafusal skeletal muscle fibers in mammals are innervated by only a single alpha motor neuron. Since there are more muscle fibers by far than motor neurons, individual motor axons branch within muscles to synapse on many different fibers that are typically distributed over a relatively wide area within the muscle, presumably to ensure that the contractile force of the motor unit is spread evenly .
In addition, this arrangement reduces the chance that damage to one or a few alpha motor neurons will significantly alter a muscle's action. Because an action potential generated by a motor neuron normally brings to threshold all of the muscle fibers it contacts, a single alpha motor neuron and its associated muscle fibers together constitute the smallest unit of force that can be activated to produce movement.
Sherrington was the first to recognize this fundamental relationship between an alpha motor neuron and the muscle fibers it innervates, for which he coined the term motor unit.
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