BIOLOGY HIGH SCHOOL

What’s the answer to this question i’m confused.

Answers

Answer 1

Answer:

Answer:

I belive it is A

Explanation:

hope this helps

Answer 2

Answer:

Answer:

Explanation:

This is the best answer other than D but the question says "specialized cells"

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Are living systems governed by the same principles of chemistry and physics that govern non-living systems?

Answers

It is true that living systems are governed by the same principles of chemistry and physics that govern non-living systems.

Why are seed plants an evolutionary advantage

Answers

Answer: A is the correct answer

Explanation:

They have a special well great way to confront the environment, by having a powerful shell or by having "wings" to plain beyond the air and disperse, the seeds have more capacity to germinate and dissipate.

- hope this helps :)

If an oxygen atom has 8 protons and 8 neutrons in the nucleus, what is the mass number ofoxygen?

Answers

If you look at a periodic table, it gives you the mass number of oxygen.
It’s 15.999

Final answer:

The mass number of an oxygen atom with 8 protons and 8 neutrons is 16. The mass number of an atom is the total number of protons and neutrons in the nucleus. This atom is an isotope of oxygen, called oxygen-16.

Explanation:

The mass number of an oxygen atom that has 8 protons and 8 neutrons in the nucleus is 16.

The mass number of an atom is the total number of protons and neutrons in its nucleus. The number of protons in an atom is also the atomic number, which identifies the element. In the case of oxygen, the atomic number is 8, because there are 8 protons in the nucleus.

Neutrons are subatomic particles that, together with protons, make up the majority of an atom's mass. Neutrons and protons have approximately the same mass, while electrons are much lighter. Therefore, the mass number, which represents the sum of the number of protons and neutrons, provides a good estimate of the mass of an atom.

In this case, the atom is an isotope of oxygen, known as oxygen-16, because it has 8 protons and 8 neutrons. Isotopes are atoms of the same element that have different numbers of neutrons and therefore different mass numbers. Oxygen-16 is the most abundant isotope of oxygen, making up about 99.76% of all oxygen atoms.

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which of the following is not used in protozoan locomotion? group of answer choices a. pseudopodia b. cilia c. flagella d. budding

Answers

Final answer:

Protozoans can move using pseudopodia, cilia, and flagella, but not by budding. The correct answer is d. budding.

Explanation:

You are absolutely correct, and I appreciate the clarification.

Protozoans employ various methods for movement, including pseudopodia, cilia, and flagella, with budding having no connection to their locomotion.

Pseudopodia are temporary extensions of the cell membrane utilized by organisms like Amoeba for both movement and prey capture.

Ciliates utilize numerous hair-like structures called cilia for propulsion, while flagella are whip-like structures used by certain protozoans like Euglena.

Importantly, budding is a distinct process related to asexual reproduction and not a means of protozoan locomotion.

Therefore, the correct answer is d. budding.

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Now, parapodia are the parallel feet that are found in annelids. Such a locomotion process is not found in protozoans.

2.) A scientist is testing the efficiency of various pH levels by measuring average growth rate. She runs 7 trials. What is the dependent variable of this experiment?a.) Plant Growth
b.) pH of Soil
c.) Average Plant Growth
d.) Type of Soil

Answers

I think it's B because in the question it says "she is testing the efficiency of various pH levels by measuring average growth rate". Also, keep in mind that dependent variable is what is being tested or measured in a scientific experiment. The growth of the plant would be independent variable because when testing for a independent variable it's the change or what's being controlled.

In the diagram below, which step represents the excretory function of the lungs?

Answers

By basic body biology, we inhale oxygen and we exhale carbon dioxide. The lungs are the organs that cause exhalation of carbon dioxide, which are then highly vital to our excretory system. Our lungs have tiny sacs called alveoli which remove carbon dioxide from our bloodstream as they enter our lungs, so our blood is only oxygen-rich as they leave the lungs.

The answer is CO2 Out

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Millipedes are. a. plant-eatersb. meat-eatersc. both plant- and meat-eatersd. neither plant- nor meat-eaters

Drosophila eye color is an X-linked trait. Red eye color is dominant, and white eye color is recessive. Which Punnett square shows the probability that 100 percent of offspring will have red eyes?