A, plant growth would decrease. Decomposers break down organic materials into nutrients and return these nutrients to the soil. The nutrients are vital to plant growth. If decomposers went extinct, then eventually plants would use up all the existing nutrients and start to die.
Answer:
When the athlete runs in the race, his body needs more oxygen. His rate of breathing increases so that more oxygen can be supplied to the body. This is the reason, an athlete needs to breathe faster and deeper than usual; after finishing the race
Explanation:
An organism's appearance, trait or other detectable characteristic is a what?
The Organism's <u>Phenotype</u> is it's appearance or visible trait.
Answer:
Cellular communication
Explanation:
At the end of a neuron, there is a space called the synaptic junction that helps it communicate with another neuron or organ in order to produce a response. When the impulse reaches the end of a neuron usually called the axon terminal, it causes the opening of voltage gated ion channels that causes the influx of ions inside the cells. This in turn will cause synaptic vessicles that contain neurotransmitters to move towards the membrane of the axon terminal and fuse with the membrane then open up to release the neurotransmitters into the synapse (space between the 2 neurons). When this happens, the voltage gated channels close. The neurotransmitters then bind to ligand receptors on the second recieving neuron that cause it to produce an effect like stimulate an organ or produce an impulse . After using up the neurotransmitters, they can be recycled or broken down into metabolytes that are used up by the cell.
The first solid particles were microscopic in size. They orbited the Sun in nearly circular orbits right next to each other, as the gas from which they condensed. Gently collisions allowed the flakes to stick together and make larger particles which, in turn, attracted more solid particles. This process is called accretion.
-The objects formed by accretion are called planetesimals (small planets): they act as seeds for planet formation. At first, planetesimals were closely packed. They coalesced into larger objects, forming clumps of up to a few kilometers across in a few million years, a small time compared to the age of the solar system.
-Once planetesimals had grown to these sizes, collisions became destructive, making further growth more difficult. Only the biggest planetesimals survived this fragmentation process and continued to slowly grow into protoplanets by accretion of planetesimals of similar composition.
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