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kotegsom [21]
3 years ago
8

Which of the following best describes why scientists often study embryonic structures when determining evolutionary relationship

s?
A.
Organisms from different kingdoms always have similar embryonic structures.
B.
Examining embryonic stages allows scientists to better understand the behaviors of organisms.
C.
There are sometimes similarities in the embryonic stages of organisms that do not exist in the adult stages.
D.
Adult organisms from different species never possess similar anatomical structures.
Biology
2 answers:
zhannawk [14.2K]3 years ago
5 0

There are sometimes similarities in the embryonic stages of organisms that do not exist in the adult stages.

slega [8]3 years ago
4 0

C. There are sometimes similarities in the embryonic stages of organisms that do not exist in the adult stages.

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Which of these is classified as an emerging virus that can have a direct impact on human health?
umka21 [38]

Answer:

The correct answer is: D. Ebola.

Explanation:

  • Ebola Virus is a single-stranded RNA (ribonucleic acid) virus.
  • The natural host of the virus is Fruit bat but it can also infect humans.
  • The transmission of the virus into humans is mediated from infected bats through body fluids.
  • The major disease caused by the virus is is Hemorrhagic fever. In this disease, the platelet (responsible for clotting of blood) count in the blood  drops far below normal. As a result, bleeding can get initiated both in the body interior or exterior. This disease can cause multiple organ failure and death.
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5 0
3 years ago
What is pollination? Identify three ways pollen can be transferred. How is cross-pollination different
Stells [14]

Answer:

The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization. It can be transferred by things that feed from what has pollen. Self-pollination occurs when the pollen from the anther is deposited on the stigma of the same flower, or another flower on the same plant. Cross-pollination is the transfer of pollen from the anther of one flower to the stigma of another flower on a different individual of the same species.

3 0
2 years ago
The diagram shows an energy pyramid.
stellarik [79]

Answer:

D: All levels contain the same amount of energy

Explanation:

This is due to how the number of animals also increase as the energy pyramid level decreases.

Hope it helps!

6 0
2 years ago
Which of the following can be related to heat flow and movement of molten rock within the interior of the Earth?
stiks02 [169]

The answer is; D

The plasticity of rock in the mantle and the convection currents in the region are responsible for tectonic plate movements. The hot molten rock from deep in the mantle rise and is replaced by the cooler rock at the upper mantle. These convections are similar to those of water in a boiling pot. As the tectonic plates move (as they are dragged by these convections) and collide, earthquakes are caused. In addition, at subductions zones (where two plates collide) there occurs high volcanic activity.


4 0
3 years ago
Read 2 more answers
find a species of animals, plants, insects, or fungi by researching the internet. Based on your findings, discuss at least Five
KonstantinChe [14]

Answer:Airedale Terrier is a Dog specie,the Airedale Terrier is the largest of all terrier breeds.

(1) Respiration

(2) Nutrition

(3) Reproduction

(4) Movement

(5) Irritability

Explanation: A living specie is a specie that poses all the characteristics of a living organisms such MOVEMENT, REPRODUCTION, NUTRITION, IRRITABILITY,GROWTH, EXCRETION, REPRODUCTION AND DEATH.

Respiration is the process through which living organisms take in oxygen in order to break down food for the release of energy and carbon dioxide.

Nutrition is the process of feeding or intake of nutrients Airedale Terrier feeds on both plants and animals ( OMNIVORES).

Reproduction is the process through which the younger generation are brought to life Airedale Terrier reproduce through Sexual reproduction.

Movement is the change of location,Airedale Terrier moves from one point to another.

Airedale Terrier responds to different stimuli ranging from sound,light,touch, taste etc.

7 0
3 years ago
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