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Schach [20]
3 years ago
12

Which type of stimulus is an allergen, such as pollen? A. external stimulus B. response to a stimulus C. inborn stimulus D. inte

rnal stimulus
Biology
2 answers:
EastWind [94]3 years ago
6 0

Answer:

A i took the quiz

PSYCHO15rus [73]3 years ago
5 0
<span>The answer is A. A stimulus can be inner, or from inside the life form itself. A boost can likewise be outer, which means it happens outside the living being. Both interior and outside jolts can bring about a reaction, or coming about response, in a living being.</span>
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De acuerdo al siguiente enunciado, responda: "sus funciones son similares; difieren en su origen embrionario y en su plan de con
salantis [7]

Answer:

el enunciado hace referencia a estructuras análogas

Explanation:

La estructuras análogas (por ejemplo, órganos, tejidos, etc) son aquellas que cumplen la misma o similares funciones pero que poseen un origen evolutivo distinto (es decir, no comparten un antepasado común) y son producto de la convergencia evolutiva. Por el contrario, estructuras homólogas son aquellas que se caracterizan por tener un origen evolutivo común (comparten un antepasado común), independientemente de la función que cumplan. Las estructuras análogas se caracterizan por tener diferentes orígenes embrionarios y planes de construcción distintos (es decir, las células que dan origen a este tipo de estructuras son de linajes diferentes). Un ejemplo bien conocido de estructuras análogas son las alas de mariposas y murciélagos, las cuales cumplen la misma función pero no derivan de un antepasado común.

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3 years ago
Carrying capacity relates to a population of organisms in an ecosystem. What do you think the term carrying capacity means? What
ANTONII [103]
Carrying capacity is the maximum amount of organisms a certain ecosystem can sustain with the resources available in a given ecosystem.
Factors that could either increase or decrease the K, carry capacity, would be: drastic weather causing depletion of resources, decreases in competition, etc.
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Explanation: The range goes from 0 to 14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water.

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