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3 years ago

Explain how a mutation might lead to adaption.

1 answer:

5 0

An adaptation is a mutation, or genetic change, that helps an organism, such as a plant or animal, survive in its environment. Due to the helpful nature of the mutation, it is passed down from one generation to the next. As more and more organisms inherit the mutation, the mutation becomes a typical part of the species. The mutation has become an adaptation.

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Which is a correct sequence from larger to smaller category? A. phylum-class-order-genus-species B. phylum-class-family-order-ge

MAVERICK [17]

Answer: The answer is option D) phylum-class-order-family-species-genus

Explanation:

In taxonomy, living organisms are arranged from large to smaller categories. The complete arrangement as given by Carroleus Linnaeus is shown below

Kingdom --> phylum/division --> class --> order --> family --> genus --> species

He first split living things into a general category called KINGDOM.

- The kingdom is further split into large smaller groups called PHYLUM (for animals) and DIVISION (for plants).

- Each phylum or division is broken down into CLASSES.

- Each class is broken down into ORDERS

- Orders into FAMILIES,

- Families into GENUS

- Genus into SPECIES

7 0

3 years ago

1. Name the two major divisions of the nervous system; list the organs/tissues found in each.

Jet001 [13]

Answer:

1.Structural Divisions of the Nervous System. The nervous system can be divided into two major regions: the central and peripheral nervous systems. The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else.

2.Like the nervous system as a whole, the peripheral nervous system also has two divisions: the sensory division and the motor division. The sensory division of the PNS carries sensory information from the body to the central nervous system.

3.Sensory receptors with corresponding stimuli to which they respond.

Receptor Stimulus

Apmullae of Lorenzini (primarily function as electroreceptors) Electric fields, salinity, and temperature

Baroreceptors Pressure in blood vessels

Chemo receptors Chemical stimuli

Electromagnetic radiation receptors Electromagnetic radiation

Electroreceptors Electrofields

Hydroreceptors Humidity

Infrared receptors Infrared radiation

Magnetoreceptors Magnetic fields

Mechanoreceptors Mechanical stress or strain

Nociceptors Damage or threat of damage to body tissues (leads to pain perception)

Osmoreceptors Osmolarity of fluids

Photoreceptors Visible light

Proprioceptors Sense of position

Thermoreceptors Temperature

Ultraviolet receptors Ultraviolet radiation

7 0

3 years ago

Can someone help me please

ExtremeBDS [4]

Answer:

I'm pretty sure it is metamorphosis.

8 0

3 years ago

How much time is required for a P-wave to travel 6,000 kilometers?

Alex Ar [27]

Answer:

294.1 minutes

Explanation:

5,882 seconds (98 minutes) to travel 2,000 km.

2,000 x 3 = 6,000

5,882 seconds x 3 = 17,646

(294.1 minutes) to travel 6,000 km

7 0

4 years ago

In the human retina: a) cone cells can detect color, but rod cells cannot. b) cone cells are more sensitive than rod cells to li

sergeinik [125]

Answer:

option A

Explanation:

Cones provide colour vision while rods cells do not produce colour vision. Rods provide the vision in the dull light (darkness or night), whereas cones are known to give the vision during the day or bright light; Rod cells are more sensitive to light than cone cells and both do have visual pigments with the rod cells possessing rhodopsin and the cone cells having photo-opsins.

6 0

4 years ago