BIOLOGY HIGH SCHOOL

where does embryo development take place in oviparous animals?

Answers

Answer 1
Answer: Oviparity means a mother animal does not retain the eggs of her offspring, the embryonic development occurs outside a living body. Most fish, amphibians, and reptiles are oviparous while all birds, bugs, and arachnids are oviparous.

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The combined alleles of all the individuals in a population are called the ?
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How is a sodium ion symbol written?

Answers

A sodium Ion is written as Na+
A sodium ion is written as: Na+

Dr. Digger, a paleontologist, finds a fossil that he describes in his journal. The creature was approximately 1 meter long, with its backbone fused into a large shell covering the body cavity. It had a beaklike mouth, without teeth, and all four limbs were in the form of flippers. Based on anatomical similarities, to which modern animal is Dr. Digger’s creature most closely related?

Answers

The answer is a sea turtle.


The creature had a backbone, so it must be vertebrate. Among the vertebrates, there are no infinitive number of animals with shells. It could be only turtles. The characteristic such as a beaklike mouth without teeth supports a surmise. Limbs in the form of flippers suggest that animal must live in the water, and with such a dimensions it could live only in seas. All of these speak for the sea turtle fossil.

Answer:

sea turtle

Explanation:

Which of the following statement is true? a.A cell's phenotype is determined by its DNA and its genotype is determined by its proteins.

b.A cell's genotype is determined by its DNA and its phenotype is determined by its proteins.


c.A cell's genotype is determined by its DNA and its proteins.


d.A cell's genotype and phenotype are determined by its proteins.

Answers

I'm pretty sure it's B.

You have just eaten french fries, buttered toast, ice cream, and whole milk. Which of the following glands would be active in helping you to digest this food?A. the pancreas
B. the buccal glands
C. the thyroid gland
D. the parotid glands

Answers

I'm not really sure I have to go with C
The pancreas helps you digest food

Animals have more mechanisms for asexual reproduction than plants.
a. True
b. False

Answers

b.False. Animals usually reproduce sexually, most are not made to reproduce asexually. Plants reproduce asexually.

Explain how the structure and function of one of the muscles of the chest relates to some of the muscle rules you learned in Activity 4.2.1.

Answers

Answer:

The muscular system

Explanation:

The muscular system is a set of muscles that can be controlled voluntarily by a living organism (skeletal muscles) Its main function is to achieve mobility, an action that takes place when electrical stimuli from the nervous system cause the contraction of muscle fibers . Muscles that contract automatically such as heart muscle or smooth muscles are not usually considered part of the muscular system. The whole skeletal musculature corresponds to approximately 40% of the weight of an adult man. The sum of the muscular system plus the bone system formed by the bones gives rise to the musculoskeletal system.

Final answer:

The muscles of the chest, such as the diaphragm, play a crucial role in breathing by changing the size of the thoracic cavity. This relates to the muscle rules as the diaphragm contracts and relaxes to facilitate inhaling and exhaling.

Explanation:

The muscles of the chest play a key role in breathing by changing the size of the thoracic cavity. This allows for the expansion and contraction of the lungs. One example of a chest muscle is the diaphragm, which is dome-shaped and separates the chest from the abdominal cavity.

The structure and function of the diaphragm relate to the muscle rules because it is a skeletal muscle that contracts and relaxes to facilitate breathing. The diaphragm contracts when you inhale, flattening and enlarging the thoracic cavity, while it relaxes when you exhale, allowing the chest to fall.

Learn more about The structure and function of a chest muscle in relation to muscle rules. here:

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Select an ecosystem that is familiar to you and describe the biotic and abiotic factors that exist there?
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