A small piece of cactus beaks off the plant falls to the ground and begins to grow. - It is an Asexual reproduction.
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Answer:
Acts on cells in close proximity to the secreting cell.
Explanation:
In paracrine signaling, the molecules secreted by a cell show their impact on the cells which are nearby or in very close proximity.
For example:
<u>Nerve impulse transmission from presynaptic neuron to postsynaptic neuron. </u>When ever a stimulus is detected by our body, transmission of nerve impulse occurs so that our body could respond to that stimulus accordingly. During transmission, the presynaptic neuron releases signaling molecules known as neurotransmitters in the synaptic cleft which is present in between <u>presynaptic neuron and postsynaptic neurons.</u> From synaptic cleft, these neurotransmitters reach the receptors present on the neighboring postsynaptic neurons which finally transmit the message to the muscles to generate a response to the stimuli.
Answer: stroke volume
Explanation:
Stroke volume is the amount of blood ejected during ventricular contraction or for each stroke of the heart.
Answer:
1:2:1
Explanation:
When we say genotype, we are talking about the different type of allele combinations. Phenotype is when you are looking at dominant recessive ratios.
The early hominid stages can be differentiated from one another based on the complexity of the tools used by these species. The tool evolved along with the evolution of the humans. The more the hominids evolved by more complex their tools became. The tools made by the earliest hominids were used to fish out the termites. These tool developed and became more widely used as the humans evolved.
Hence, the answer is 'by observing the complexity of the tools'.