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Nostrana [21]
3 years ago
15

How did lamarck propose that species change over time?

Biology
2 answers:
dmitriy555 [2]3 years ago
8 0

Lamarck thought that organisms came into being through spontaneous generation.   He thought they changed from simple organisms to more complex organisms because they had an innate drive to become more complex and "perfect."   Lamarck thought that when organisms changed their behaviors in response to a changing environment, their bodies changed. When they used a part of their bodies more, it changed accordingly. When they used a part of their bodies less, it shrank.

ki77a [65]3 years ago
3 0
Lamarck proposed that by selective use or disuse of organs, organisms acquired or lost certain traits during their lifetime. ... The overwhelming majority of a species' offspring survive.
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When the mouth develops from the first opening in the gastrula, the organism is called a deuterostome.
devlian [24]

Answer:

False.

Explanation:

Classification of organism is important to classify them in similar and different groups. Organisms can be classified on the basis of the development of the mouth or the anus first.

The organism in which mouth develops first by the opening of gastrula are called protostome not deuterostomes. Deuterostome develop anus first from the opening of gastrula.

Thus, the correct answer is option (b).

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Missy spencer was given penicillin for tonsillitis. she developed a severe life-threatening allergic (hypersensitivity) reaction
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The reaction of which Missy has experience that is a severe and life threatening allergic reaction due to penicillin is anaphylactic reaction, it could be classified as the a serious and life threatening in terms of having allergic reaction for if not treated immediately, it could cause death to the individual who has experience this reaction. This could be triggered from either medications, food in which an individual has consumed and insect stings such as from bees. Missy’s allergic reaction must have triggered because of the penicillin that she has consumed where in, she does not know that she is allergic to the medication, having her to experience a life threatening allergic reaction to the penicillin.

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