Algae at the beginning of a food chain would be considered?

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Answer 1

Answer: posibly producers i think
i hope im wright

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Which of the following would be an example of a wetland ecosystem?A. marshes
B. lakes
C. rivers
D. ponds

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Answer:

The correct answer is A. Marshes. :)

Explanation:

Final answer:

An example of a wetland ecosystem would be marshes, as they are regions where water is the primary factor controlling the environment and the associated plant and animal life. Lakes, rivers, and ponds are examples of aquatic ecosystems, not wetland ecosystems.

Explanation:

The correct answer to your question, 'Which of the following would be an example of a wetland ecosystem?' is marshes (option A). Wetlands are regions where water is the primary factor controlling the environment and the associated plant and animal life. They occur where the water table is at, or near the surface of the land. Different types of wetland ecosystems include marshes, swamps, and bogs.

Marshes, specifically, are a type of wetland where vegetation is dominated by herbaceous plants. Lakes, rivers, and ponds (options B, C and D respectively) are all instances of aquatic ecosystems, rather than wetland ecosystems. Lakes and ponds are standing or lentic waters, while rivers are flowing or lotic waters.

Learn more about Wetland Ecosystems here:

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Check all of the following which could describe the first interaction of the acquired immune system to an infection. A. Binding to IgM B. Activation of complement proteins C. None of the above D. Binding to IgG E. Stimulation of T-cell by APC

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E. Stimulation of T-cell by APC

The initial exposure of the body to an infectious agent e.g. through a vaccine, triggers an immune response most of which rapidly diminishes after the vaccination. However some cells of the immune system called lymphocytes remain with a memory of that pathogen.As a result, if the same pathogen infects a vaccinated person, the memory cells remember and recognize it and rapidly spring into action triggering a much more rapid response specific to that pathogen than the initial exposure, effectively dealing and neutralizing the pathogen.

Cytoplasm is the clear, gelatinous material found in cells. The cytoplasm takes up a little more than 50 percent of the volume of animal cells and a smaller volume in plant cells.Which of the following is a function of cytoplasm?

contains proteins that aid in cell movement and cell shape

determines which substances can enter or leave the cell

serves as the site of many cellular processes
helps materials move from place to place within the cell

supports and holds the cellular organelles

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Answer:

Gel-like fluid present within the cell membrane (excluding nucleus) is termed as cytoplasm of the cell.

It serves various functions in the cell such as:

It supports and hold all the cell organelles and cell parts.
It serves as the site of most of the cellular activities or processes.
It provides shape to the cell.
It contains the cytoskeleton (actin filaments, intermediate filaments, and microtubules) of the cell which helps in maintaining the cell shape, the movement of materials within the cell, cell division and movement of the cell.

Hence, all options are correct except "determines which substances can enter or leave the cell".

Plasma membrane of the cell determines which substances can enter or leave the cell.

If my memory serves me well, the function of a cytoplasm is being revealed in the last option from the scale represented above: it supports and holds the cellular organelles. I hope you still need the answer because I bet this one is really helpful.

What are the plant under carnivorous plant

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‎Venus flytrap - ‎Aldrovanda vesiculosa - ‎Pitcher plant - ‎Drosera capensis

Please I need help with this

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TAAGCCGATAAATGCTAACGGTA

Two species of flies, Drosophila melanogaster and Drosophila simulans, can mate. They usually do not mate, however, even if they are kept together in a laboratory. Males court the females of both species, but the females prefer to mate with males of their own species. Which isolating mechanism does this describe?A.)behavioral
B.)temporal
C.)geographical
D.)anatomical

Answers

A reproductive isolation mechanism in which females prefer to mate with males of their own species is a BEHAVIORAL mechanism.

Reproductive isolation refers to the mechanisms that prevent a species from mating with others, which have fundamental importance from an evolutionary point of view.

These barriers to fertilization can be divided into:

prezygotic isolation barriers, which prevent the fertilization of the egg
postzygotic isolation barriers, which prevent the generation of fertile offspring.

The most important prezygotic isolation barriers include, among others, habitat isolation, behavioral isolation, mechanical isolation, etc.

Behavioral isolation mechanisms are characterized by mating rituals (for example, the songs of males in certain bird species), which are capable of generating reproductive barriers.

In conclusion, a reproductive isolation mechanism in which females prefer to mate with males of their own species is a BEHAVIORAL mechanism.

Learn more in:

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The isolating mechanism involved is the behavioral change (A).

Further Explanation:

Isolating mechanism are those characteristics of the species that prevents them to reproduce with other members of the species.

There are various types of isolating mechanism:

1. Behavioral- Reproductive isolation that arises due to the behavior of the individual during their mating period.

2. Temporal- The species breeds at different time or they may have different breeding season, therefore this can lead to reproductive isolation.

3. Geographical- The isolation of species because they occupies different habitats.

4. Anatomical- Isolation that arises due to different internal structure of the species.

Example of isolating mechanism - when two species of flies, Drosophila melanogaster and Drosophila simulans, can mate however they usually do not mate. But even though they are kept with each other in any lab, males court the females of both species but the females prefers to mate with males that belongs to the same species.This example shows the behavioral isolation.

Learn more:

1. Learn more about plants: brainly.com/question/862697

2. Learn more about bacteria: brainly.com/question/4656094

3. Learn more about viruses: brainly.com/question/3889603

Answer Details:

Grade: College Biology

Subject: Biology

Chapter: Ecology

Keywords:

Reproductive isolation, behavioral isolation, temporal isolation, geographical isolation, anatomical isolation, Drosophila melanogaster,Drosophila simulans, species, mate, isolating mechanism, breeding season.

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