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Mila [183]
3 years ago
6

How did Thomas Lamarck idea shape Darwin's thinking?

Biology
1 answer:
ASHA 777 [7]3 years ago
7 0
Even though this belief eventually gave way to Darwin's theory of natural selection acting on random variation, Lamarck is credited with helping put evolution on the map and with acknowledging that the environment plays a role in shaping the species that live in it.
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Antennae development in ants is thought to be a trait controlled by maternal effect. In ants, zig-zag coils are dominant to curl
Schach [20]

Answer:

a. Her mother has zig-zag antennae.

b. Her brother has zig-zag antennae.

Explanation:

<u>Available data</u>:

  • Antennae development ⇒ controlled by maternal effect
  • Zig-zag coils are dominant
  • Curly coils are recessive
  • A female develops zig-zag coils

Maternal effect: Refers to the influence of the “environment provided by the mother” on the progeny phenotype. The mother´s genotype directly determines the progeny phenotype. Even though the progeny has a different genotype, it is irrelevant, as well as the father´s genotype or phenotype. This means that no matter what is the genotype of the offspring, all of them will express the same phenotype as their mother. The maternal effect is commonly seen in insects and might be seen in some mammals and plants.

So, if a female has zig-zag coils, this means that the mother also has zig-zag antennae and that all the brothers and sisters of this female ant have zig-zag antennae, independently of their genotype.

a. Her mother has zig-zag antennae ⇒ True. The trait is inherited from the mother.  

b. Her brother has zig-zag antennae ⇒ True. The whole progeny will express sig-zag antennae.

c. This female carries the zig-zag allele ⇒ Not necessarily.

d. This female's offspring will have zig-zag antennae ⇒ Depends on it´s genotype

3 0
3 years ago
When diarrhea occurs in the pediatric patient, the nurse will advise the parents to seek emergency medical treatment for the pat
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They would have Severe Abdominal pain.  These are the symptoms leading to that occur.<span>If diarrhea is accompanied by fever, malaise, or abdominal pain, contact the prescriber immediately because of the possibility of excessive fluid and electrolyte loss. Dehydration and electrolyte loss occur very rapidly in the pediatric patient because of the patient's size and sensitivity to loss of fluid volume and electrolytes through the stool. Immediately report to the prescriber any abdominal distention, firm abdomen, painful abdomen, or worsening of or lack of improvement in diarrhea 24 to 48 hours after medication administration. If symptoms persist or dehydration occurs (e.g., no tears and decreased urine output in the child), contact the prescriber. If the patient is sluggish, lethargic, or confused or the diarrhea is bloody, contact the prescriber immediately or go to the closest emergency facility. hope that helped</span>
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Can protozoa structures be seen using a light microscope?
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Yes they can be seen using a light microscope.... hope this helps! :)
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Which of the following most likely happens during a physical change?
BARSIC [14]

Hey!

Your answer is B (You're correct)

Have a great day!

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FILL IN THE BLANKS:
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Answer:

During the digestion process, nutrients from food are absorbed in the small intestine and transported through the salivary glands to the rest of the body

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