From what type of animal are birds thought to have evolved

1 answer:

7 0

Birds are thought to have evolved from dinosaurs. Through the study of the fossil record, scientists have discovered that some dinosaurs have similar anatomical features to birds. The fossil record shows that some dinosaurs have similar bone structure and some even have feathers.
The fossil record even shows that some dinosaurs display similar behaviours to birds like laying eggs in nests, incubating and caring for their young.

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If mendel crossed a plant with white flowers and a plant with violet flowers, thats were completely identical in every other cha

Elodia [21]

Answer:

Mendel noted the ratio of white flowered plants to purple-flowered plants was about 3:1. That is, for every three purple-flowered plants, there was one white flowered plant.

Explanation:

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3 years ago

1. The Himalayas in South Africa are an example of what type of plate boundary?

AleksAgata [21]

Answer -
1. <span>Convergent continental-continental boundary.
2. Convergent oceanic-oceanic boundary.
3. Convergent oceanic-continental boundary.
(Confidently Correct)

Reason -
Each different reasoning for
1.Its continental boundary is because its crashing into each other like a collision forming the Himalayas.
2.The lithosphere is pushing down where as the other side is acting on it making it go and move down.
3. This type of oceanic and oceanic boundary is one place is moving upward where as the other one is moving down.

</span><span>
</span>

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3 years ago

Read 2 more answers

Do male or female songbirds build the nest? please show source and evidence to support your answer

hjlf

Actually it is the females the mostly build the nests the males will help build it sometimes both males and females will build it but typically it is females and that goes for all birds.

"Females typically build nests, but sometimes both parents or just the male"

5 0

3 years ago

An important protein in the activation of the alternative pathway of complement activation is

GalinKa [24]

Answer:

The correct answer is Cb3 protein.

Explanation:

The alternative pathway of complement is the immune system's natural defense system against any infectious agent. It is one of the 3 complement pathways that kills and any pathogen that enters our body.

The pathway is activated when Cb3 protein binds directly to the microbe.

Cb3 protein is found in abundant quantity in our plasma. It is available in the free form.

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3 years ago

How is G0 represented?

earnstyle [38]

With respect, G0 meaning what?

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3 years ago