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anastassius [24]
3 years ago
13

Although egg-laying is rare in mammals, it is common for other amniotes. The fact that monotremes, such as the platypus, lay egg

s
A. suggests this is an ancestral trait in tetrapods, while internal gestation is derived
B. demonstrates that the shelled amniotic egg evolved multiple times.
C. helps the species support an ectothermic life style.
D. indicates that they are more closely related to reptiles than to other mammals
Biology
1 answer:
Scilla [17]3 years ago
8 0

The fact that monotremes, such as the platypus, lay eggs "indicates that they are more closely related to reptiles than to other mammals".

<u>Option: D</u>

<u>Explanation:</u>

The explanation that unusual, egg-laying mammals still exist today might be because of their descendants have taken to the water. The oviparous mammals, the word itself suggest something unique — the monotremes, such as the platypus, understood as eccentric relatives of the majority of the mammals that carry young living.

Other traits, apart from laying eggs, make them look more like reptiles than our family. They have a reptilian gait with legs on the sides instead of under the body, and a single opening for urine, feces and sex instead of multiple outlets.

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Black fur(b) in guinea pigs is dominant over white fur(b). find the probability of a homozygous offspring in a cross: bb x bb.
Nikolay [14]
If black fur is dominant it would have to be B and the white fur is b. so if it is BB x bb you can use the punnet square and you would get all heterozygous offspring
6 0
3 years ago
Photo 51 is a picture of the structure of DNA that was used to create a model of DNA. Who created the photo?
N76 [4]

Photo 51 is an image of the DNA structure that was used to create a DNA template. Rosalind Franklin managed to photograph a DNA molecule.

<h3>Who took the first DNA picture?</h3>

During the four years she spent in France, Rosalind Franklin perfected herself in the use of x-ray crystallography, a technique used to create images of microscopic elements. It was through her that, already at King's College, chemistry managed to photograph a DNA molecule.

With this information, we can conclude that Photo 51 is an image of the DNA structure that was used to create a DNA template. Rosalind Franklin managed to photograph a DNA molecule.

Learn more about Photo 51 in brainly.com/question/7566369

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6 0
2 years ago
In the northern hemisphere, winds associated with a low-pressure system system blow ___. ?
Lelu [443]
<h3><u>Answer;</u></h3>

A. counterclockwise toward the center

<h3><u>Explanation;</u></h3>
  • <em><u>In the Northern Hemisphere, winds associated with a low-pressure system blow in a counterclockwise direction towards the center, while those that are associated with a high-pressure system blow in clockwise direction outwards from the center.</u></em>
  • In the Southern Hemisphere on the other hand, winds that are associated with a low-pressure system blow clockwise towards the center.
  • <em><u>The rotation of the earth creates a force called the Coriolis force, which gives the wind that is within high pressure systems a clockwise circulation in the northern hemispheres and a counterclockwise circulation in the southern hemisphere.</u></em>

7 0
4 years ago
Read 2 more answers
(a) Name two processes that remove carbon from the atmosphere: _____ (b) Name two processes that add carbon to the atmosphere: _
Vikentia [17]

The two processes that remove carbon dioxide from the atmosphere are photosynthesis and absorption. Respiration and volcanism, or the eruption of molten rock, are the two processes that provide carbon to the atmosphere.

carbon is removed from the atmosphere through photosynthesis and replaced with O2. O2 is removed from the atmosphere during respiration and replaced with carbon . These processes, however, are not in equilibrium. Not every organic substance oxidizes. Photosynthesis and metabolism are the two fundamental processes that take place during the natural carbon cycle. Plants consume carbon dioxide during photosynthesis to create oxygen, and they also make carbon dioxide during metabolism.

learn more about carbon dioxide in atmosphere here:

brainly.com/question/431949

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3 0
1 year ago
Fungi of the phylum basidiomycota form mycorrhizal associations with orchids, a type of flowering plant. How do these associatio
Lelu [443]

Answer: C. The orchids receive water and oxygen from the fungi, while the fungi receive food and minerals from the orchids.

Mycorrhizal association refers to the mutualistic symbiotic relationship between a fungi and roots of vascular plants. In this type association both partners are benefited.

The plant roots are unable to take nutrients which are chemically or physically immobilized in the soil. The mycelium of the mycorrhizal fungus helps to avail those nutrients to the plants. Thus plants are able to obtain phosphates and iron through these fungi. These fungi also, increase the water absorption capacity of plants. In return the fungi receives the direct access of carbohydrates like glucose and sucrose. These carbohydrates translocate from leaves to roots, from there fungi receives these carbohydrates as food source.

The plant orchid and fungi of phyllum basidiomycota form mycorrhizal association, which is a mutalistic association. Thus, the orchids receive water and oxygen from the fungi, while the fungi receive food and minerals from the orchids.


7 0
3 years ago
Read 2 more answers
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