Biology College

Explain why it makes sense that the levels of estrogen and progesterone are low in blood of a female during menstruation

I'll give brainly to whoever response is good !
please help me :C

Answers

Answer 1

Answer:

At the beginning of the follicular phase, the lining of the uterus (endometrium) is thick with fluids and nutrients designed to nourish an embryo. If no egg has been fertilized, estrogen and progesterone levels are low. As a result, the top layers of the endometrium are shed, and menstrual bleeding occurs.

Related Questions

Which type of renewable energy is seen by
engineers to be the most promising looking
toward the future?

Answers

Answer:
Wind and solar energy

Explanation:

Wind energy is the use of wind turbines to generate electricity. Wind energy is a sustainable and renewable energy source that has a much smaller impact on the environment than burning fossil fuels.

Solar energy is the radiation from the Sun which is capable of producing heat, causing chemical reactions and able to be converted into electrical energy for generating electricity.

Name the plant tissue

Answers

The different types of plant tissues are:

1. Meristematic tissues - It is of three types: Apical, Lateral and lntercalary.

2. Permanent Tissue - It of two types: Simple and Complex tissues. Simple tissues are of three types Parenchyma, Collenchyma and Sclerenchyma.

Complex tissues are of two types - Xylem and Phloem.

Which component of Earth’s atmosphere is decreased due to photosynthesis?

Answers

Answer: carbon dioxide

Describe a trophic cascade (at
least three organisms long)
that would occur if the orca
whale population were to decrease

Answers

Answer:

escribe a trophic cascade (at

least three organisms long)

that would occur if the orca

whale population were to decrease

Explanation:

Propose an ecological solution that would protect the tiger species by maintaining the complex interactions within an ecosystem. Provide at least one strength and one limitation to this proposed solution.

Answers

Tigers have the ability to coexist with their own predators like brown bears, leopards, etc. In this condition, it is the risk that these predators may threaten the tiger species. Therefore, it is required to construct a special habitat for tigers where they get enough resources without any threat.

What is an Ecosystem?

An ecosystem may be defined as a place or area where members of different species live together and interact with one another for the purpose of food, shelter, and space.

The strength of the above solution is that the population of tiger species will be maintained in near future, but the limitation is that here we provide an artificial habitat for the tiger. Now, it depends on them to reside naturally or not.

Therefore, it is well described above.

To learn more about the Ecosystem, refer to the link:

https://brainly.com/question/842527

#SPJ1

30) A food web models how the matter eaten by organisms moves through an ecosystem. The arrows in a food web represent how matter moves between organisms in an ecosystem
In this food web, which organisms contain matter that moves to the beaver?
A) Silver maple
B) Pine vole
C) Parasol fungus
D) Swallowtail caterpillar

Answers

Answer:

A) Silver maple

Explanation:

When looking at the food web, you can see that the arrow pointing at the beaver is going from the silver maple.

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