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AnnZ [28]
3 years ago
9

PLEASE HELP ASAP!! 70 POINTS!!

Biology
2 answers:
ZanzabumX [31]3 years ago
8 0

4. bryophytes: c

3. Pteridophytes: a

1. gymnosperms: b

2. angiosperms: d


Bezzdna [24]3 years ago
3 0

1. gymnosperms B

2. angiosperms D

3. pteridophytes A

4. bryophytes C


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Stimulus - touch receptors - ___ - ___ - ___ - ___ - response
masha68 [24]
<h2>Answer</h2>

Stimulus ➡ Touch Receptor ➡ Sensory Nerve cell ➡ Relay nerve cell ➡ Muscle ➡Response

<h2>Explanation</h2>
  • When a body touches a hot or very cold body, a stimulus is generated.
  • Touch receptors convert this stimulus into a nerve impulse and transmit it to the sensory neurons located in the spinal cord (CNS)  via peripheral nerves.
  • The impulse travels across a synapse to relay neurons
  • Relay neuron passes impulse across the second synapse to motor neurons.
  • Now impulse travels along motor neuron to reach the effector (muscle)
  • Muscle contract and hand is withdrawn quickly (Response)

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3 years ago
During DNA replication, a DNA strand that has the bases GGTCTA produces a strand with the bases
Colt1911 [192]
Bases would CCAGAT. Hope this helps :)
5 0
3 years ago
What does a scientist observe in a chemical's reaction rate? the speed at which the reactants change to products over a given ti
kvasek [131]

Answer:

The speed at which the reactants change to products over a given time.

Explanation:

A chemical's <u>reaction rate</u><u> is the change in the concentration of a reactant or a product with time (in moles per second)</u>.

Remember that during a chemical reaction, reactants are converted to products. Or what is the same, products are formed at the expense of reactants. This can be represented:

reactants → products

Therefore,<u> the progress of a reaction can be followed measuring the decrease in concentration of the reactants or the increase in concentration of the products.</u>

According to the temperature and other parameters, the reaction rate can increase or decrease.

8 0
3 years ago
What stage of mitosis is shown in the drawing ​
Natali [406]

Answer:

Please include the drawing for further information and solutions.

5 0
3 years ago
Someone Help Me Please !!!
prohojiy [21]

Answer:

a) ◇G = ◇H - T◇S wiĺl be negative.

b) It will be a spontaneous reaction.

Explanation:

As ◇H is less than 0 and T◇S is greater than 0 so if we put it in the equation we would get the negative maximum result. And when the energies are with negative sign they are said to be spontaneous.

8 0
3 years ago
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