The _____ theory is an evolutionary concept that suggests that behaviors that help an organism survive are passed on while weak behaviors are lost.genetic drift
gene flow
optimality
optional

Answers

Answer 1
Answer:

Answer:

Option B, Gene flow theory

Explanation:

Gene flow induces genetic pool in a particular species of organism. It also leads to speciation and therefore allows species belonging to a particular species to mate and produce fertile offspring with distinctive genetic trait as compared to their parents.

This new set of genes created by frequent mating leads to creation of genepool. Genepool allows the fittest genetic trait to grow further so that the fittest individuals are produced and in this way the weak behaviour traits are lost with time.

Hence, option B is correct.

Answer 2
Answer:

Answer:

gene flow

Explanation:


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Amphibians have internal fertilization that requires the presence of water. true or false
List the main features that define life in a material sense?
Animals without a backbone are classified as ________. crustaceans invertebrates arthropods worms

Are these correct???

Answers

Answer:

Yeah! Those are correct!

Answer:

i think they are correct. i dont know about the fish tho

Explanation:

what do you think might happen to the animals in an area if the plant diversity declines significantly?

Answers

The animals would eventually die off. 

The structures found in a living cell can be compared to the parts of a factory that produces cars. Which part of the factory is the most similar to the nucleus of a living cell?(1) A conveyor belt that transports materials
(2) A storage bin that holds the pieces needed to
assemble the car
(3) The computer room that controls the assembly process
(4) The generator that produces energy for the factory

Answers

The generator that produces energy for the factory. The nucleus serves as the core, the executive branch, and the brain of the cell. The correct option is D.

Thus, It regulates the cell's growth and reproduction and holds the genetic information. The genetic makeup of a cell is contained in the nucleus, which has been explained in detail as a membrane-bound structure.

In addition to serving as a DNA storage space, it also serves as the location of various significant cellular functions. In the nucleus, one's DNA can be duplicated first and foremost. DNA replication is the process that creates an exact duplicate of the DNA.

Cell division begins with the creation of two identical copies of the body or host, with each new cell receiving a unique set of instructions. Second, transcription takes place in the nucleus. Different RNA types are produced by transcription from DNA.

Thus, The generator that produces energy for the factory. The nucleus serves as the core, the executive branch, and the brain of the cell. The correct option is D.

Learn more about DNA, refer to the link:

brainly.com/question/30006059

#SPJ2

4. The nucleus is like the brain of the cell; the control center; the core.

How is the end product of mitosis like the end product of binary fission?

Answers

Let's compare mitosis and binary fission.

Binary fission is a type of cell division characteristic for prokaryotic organisms that are unicellular. There are 4 steps in binary fission:
Step 1 Genetic material duplicates.

Step 2 Cell grows in size and other organelles duplicate.

Step 3 Cell wall or membrane forms.

Step 4 Cells separate into two new cells.


Mitosis is a process cell division, where one cell divides into two identical cells. Mitosis consists of four phases -

1. Prophase: Chromatin in the nucleus condenses and chromosomes pair up.

2. Metaphase: Chromosomes line up at the centre of the cell.

3. Anaphase: The sister chromatids separate from each other to the opposite sides of the cells.

4. Telophase and Cytokinesis: Membrane forms around each set of chromosomes on two opposite sides of the cells and cell divides into two identical daughter cells.


As can be seen, some steps are similar. And the end products in both cases are new cells. In mitosis, however, new cells are part of a multicellular organism while in binary fission, new cells represent new organisms.

Explain where photosynthesis takes place? What is the function of this organelle?

Answers

Answer:

Chloroplast

its function is to create chemical energy using light energy

Explanation:

Photosynthesis occurs in chloroplasts which can be compared to mitochondria because they both produce energy for the organism. The Chloroplast contains within it a pigment, chlorophyll which captures the sun's energy and turns into energy which is used to create other parts of photosynthesis. Chloroplasts capture light energy from the sun to produce the free energy stored in ATP and NADPH through a process called photosynthesis. Chloroplasts are one of the many organelles found in the body, and are generally considered to have originated as endosymbiotic cyanobacteria. In this aspect, they are similar to mitochondria but are found only in plants and protist.

Speed is a _____ unit of measurement. A. single B. constant C. compound

Answers

A. Single. Speed is one thing ; single thing.