The correct answer of the given question above would be Meiosis-Prophase I. When you are looking at a cell through a microscope and see that a tetrad has formed, the phase of meiosis that the cell is in is in the Prophase I. This is when h<span>omologous chromosomes pair with one another to form tetrads. Crossing over occurs. Hope this answer helps.</span>
Mixtures are combinations of several substances. Each of the substances retains its physical properties. There are no new substances created. This is in contrast to a chemical reaction in which two or more reactants make new products.
There are two types of mixtures. The first kind of mixture is a homogenous mixture. Homogenous mixtures are uniform in the ratio of the combination of substances. throughout. All solutions are homogenous mixtures. Colloids (such as mile) and suspensions are also homogenous mixtures, but their particle sizes are larger than the particles that make up a solution. This larger particle size makes colloids and suspensions appear murky or opaque.
The second kind of mixture is a heterogeneous mixture. Heterogeneous mixtures are not uniform throughout. A classic example of a heterogeneous mixture is a trail mix- every handful you grab will be slightly different. If a suspension is allowed to sit, then its large particles will settle to the bottom of its container. At this point, the suspension would be classified as a heterogenous mixture.
The main purpose of biological taxonomy is to use a systematic method to name,
organize, and show relationships among species.
Taxonomy<span> (from
Ancient Greek: τάξις taxis, "arrangement", and -νομία -nomia,
"method") is the science of defining groups of biological<span> organisms on the basis of shared characteristics
and giving names to those groups.</span></span>
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If a population starts to increase in size because of reproduction, it might reach its carrying capacity. This can affect the natural sources the population gets because the wouldn't be enough to support all the organisms in that population.
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i belive that that would be called neurotransmitters