Which two conclusions can be made about the animals from their embryo structure?

1 answer:

5 0

The astonishing similarity in the appearance of embryos from different animal species was observed as far back as the 19th century by scientists such as Karl von Baer, Charles Darwin and Ernst Haeckel. Such observations prompted the hypothesis that the individual development of an organism reflects its evolutionary history or phylogeny. Two groups of scientists, including researchers at the Max Planck Institute of Molecular Genetics in Dresden and the Max Planck Institute for Evolutionary Biology in Plön, have now succeeded in demonstrating, for the first time, that parallels exist between individual development and phylogeny on the level of gene expression.

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A. Look carefully the next image, label its parts with the words from the box: SPINAL CORD CEREBRUM CEREBELLUM PERIPHERAL NERVES

MissTica

<h2 /><h2>You're welcome please give brainliest</h2>

5 0

2 years ago

Which nervous system controls the voluntary function of the limbs and the sense organs?

Tomtit [17]

<span>The nervous system that controls the voluntary functon of the limbs and the sense organs is called the Autonomic nervous system. The Autonomic nervous system is make up of both, the Parasympathetic nervous system and the Sympathetic nervous system.</span>

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3 years ago

The normal value of a hormone in a species is typically 10-20 units per ml of blood. A test is conducted three times, on an indi

-Dominant- [34]

Answer:

Due to genetic defects, a family history of hormone imbalances, or certain diseases.

Explanation:

According to the data, the blood is deficient in hormones which is due to a number of factors such as genetic defects, a family history of hormone imbalances, or certain diseases etc. The normal person has 10-20 units of hormones per ml of blood in their body, if the body has low in hormones the body does not perform its function properly that leads to certain diseases such as obesity, osteoporosis, and cardiovascular disease so we can say that genetic defects, hormone imbalances, or certain diseases are the causes of low in hormones.

8 0

3 years ago

Using the DNA base sequences below, identify which two species are more closely related. Support your

alexandr402 [8]

Species A and B would be the most similar because there is only one mutation between the two of them located in the first codon.

3 0

3 years ago

Can someone atleast tell me which line is which so I can color code please

Olegator [25]

Answer:

See attached image

Explanation:

Action potential can be split into 5 phases (0-4), where phase 4 leads from one action potential to the next. Phase 0 is the line up and is known as depolarization, it is here where the action potential is triggered and fast Na channels will open. Next, is phase 1 called early repolarization which is the little bit at the beginning of the plateau-here the Na channels will close. Then you have the plateau phase where Ca channels are open at the beginning and close at the end. Then is phase 3 called repolarization which is the big slope down and here is where the normal transmembrane ionic concentration gradients are restored. Finally, phase 4 which is the resting phase occurs. There are many resources online if you need more details, here is a pretty good one: http://www.pathophys.org/physiology-of-cardiac-conduction-and-contractility/

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2 years ago