How are populations, ecosystems, and communities related?a. A community consists of an ecosystem and its physical environment, and an ecosystem is made up of many different populations of organisms.
b. A population consists of a community of organisms and its physical environment, and a community is made up of many different ecosystems.
c. An ecosystem consists of a community of organisms and its physical environment, and a community is made up of many different populations of organisms.
d. An ecosystem consists of a population of organisms and its physical environment, and a community.

Answers

Answer 1

Answer: The answer is C. Hope that helps ;)

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What activity is accomplished using the genetic code?cells make proteins.
RNA molecules are copied before mitosis begins.
mRNA molecules are transcribed to form tRNA.
polypeptides are made into mRNA.

Answers

(A) Cells make proteins
Proteins are composed of amino acids. Proteins are made in a process called translation, in which the cell commands.
(B) RNA molecules copied before mitosis begins
DNA molecules are copied before mitosis, not RNA.
(C) mRNA molecules are transcribed to form tRNA
DNA is used as template to form both mRNA and tRNA in a process called transcription.
(D) polypeptides are made into mRNA
mRNA is the template used to make polypeptides in a process called translation.

Therefore, A is the right answer.

Which of the following is a vascular plant? (1 point)gametophyte
bryophyte
tracheophyte
sporophyte

Answers

The answer is tracheophyte.
Tracheophytes are also know as higher plants or vascular plants. It is a form of a large group of plants. These plants are defined as land plants. It has lignified tissues for conducting minerals and water to the plant.

the answer would be a tracheophyte! good luck on the rest of your tests!

The first electrons to be excited by light energy are found in

Answers

The first electrons to be excited by light energy are found in Photosystem II (PSII). It is a specialized protein complex that captures the energy from sunlight and uses it to extract electrons from water molecules.Light is absorbed by chlorophyll, carotenoid and phycobilin pigments in the antenna regions. The excitation energy is rapidly transferred to the reaction centre domain.

Photosystem II is the correct answer

A gardener crosses tall true–breeding pea plants with short true–breeding ones. Tall plants are dominant to short ones. He collects the seeds to grow F1 plants and then allows them to self–pollinate to form an F2 generation. Which of the following describes the traits of the offspring correctly?

Answers

If the parental plants (P-generation) have the genotypes TT (tall) and tt (short), respectively, all the F1 plants will be tall heterozygotes (genotype Tt).

>Those Tt-plants will (statistically) have the following distribution of genotypes and phenotypes among their offspring (the F2 generation): 25% TT (tall homozygotes); 50% Tt (tall heterozygotes) and 25% tt (short homozygotes).

>In other words: 3/4 of the offspring will have the tall phenotype (genotypes TT and Tt); and 1/4 will be short plants (genotype tt). -

>Make a Punnett square to visualize the different crosses...

Which of the following is NOT a biological environment factor?symbiosis

competition

predation

none of the above

Answers

the answer is none of the above

Losses of usable energy between successive trophic levels in an ecosystem are best accounted for by _________

Answers

Answer:

The 2nd law

Explanation:

Answer:

The second law of thermodynamics

Explanation:

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