Which of these naturalists synthesized a concept of natural selection independently of darwin?

1 answer:

8 0

The answer is Alfred Wallace.
Darwin began formulating his theory of natural selection in the late 1830s but he went on working silently on it for twenty years. He wanted to amass a wealth of evidence before publicly presenting his idea. During those years he corresponded briefly with Wallace (right), who was exploring the wildlife of South America and Asia. Wallace supplied Darwin's help publishing his own ideas on evolution. He sent Darwin his theory in 1858, which, to Darwin's shock, nearly replicated Darwin's own.

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2. Suggest two ways that reflex reactions help maintain homoeostasis in the human body.

Nata [24]

One reflex reaction to maintaining homeostasis in the body is shivering. In response to cold temperatures, the muscular system moves our muscles quickly to warm them up as a rapid, short term solution for homeostasis. Another example is the withdrawal reflex, which occurs as a response to pain. Pain receptors activated by the painful stimulus activate the motor neurons in the body, which in turn contract muscles to move parts of your body away from the pain.

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3 years ago

PLEASE ANSWER CORRECTLY!!!!! LOTS OF POINTS

UkoKoshka [18]

The four types of interactions in communities are:

Mutualism
Parasitism
Commensalism
Competition

Definition of each interaction:

Mutualism:

The type of interaction in which both the species involved are benefited, it is called mutualism.

Parasitism:

The type of interaction in which one species is benefited, whereas the other is harmed, it is called parasitism.

Commensalism:

The type of interaction in which one species gets benefited without harming or providing benefits to others is called commensalism.

Competition:

The type of interaction in which both species lose is called competition. It is opposite of mutualism.

Symbiotic relationship:

It refers to the type of interaction in which lastly one species gets benefited. The type of interactions such as mutualism, commensalism, and Parasitism are considered as symbiotic relationship.

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3 years ago

Question 26

Anettt [7]

Explanation:

cholesterol helps keep the plasma membrane hydrophobic.

I think this is the answer but I am not sure if it's correct or wrong

but ik that plasma membrane has a little bit of hydrophobic and hydrophilic regions

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2 years ago

The renal corpuscle consists of a capillary bed called the ____________ and a capsule of epithelial cells.

pychu [463]

The renal corpuscle consists of a capillary bed called the glomerulus and a capsule of epithelial cells. The renal corpuscle is composed of two structures, the glomerulus and the Bowman's capsule. The glomerulus is a small tuft of capillaries containing two cell types. It is also characterized as a cluster of capillaries around the end of a kidney tubule, where waste products are filtered from the blood. Other surfaces that separate body cavities from the outside environment are lined by simple squamous, columnar, or pseudostratified epithelial cells.The gastrointestinal tract, the insides of the lungs, and the reproductive and urinary tracts where other epithelial cells line up make up the exocrine and endocrine glands.

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3 years ago

What's the answer please help me

Alexus [3.1K]

I believe the answer is b.

5 0

3 years ago