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Firlakuza [10]
2 years ago
9

Name the three structures of seed plants, and explain their functions.

Biology
2 answers:
Tema [17]2 years ago
5 0
Seeds, plants stems. Provide stability, absorbs water
Alchen [17]2 years ago
4 0
The three principal organs of seed plants are roots, stems, and leaves. Roots: absorb water and dissolved nutrients. anchor plants in the ground.
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Make sure you cook your seafood thoroughly. Uncooked or raw fish puts you at risk for this.

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2 years ago
the element nitrogen has an atomic number of 7 and an atomic mass of 14 how many protons, neutrons and electrons are in a atom o
Nat2105 [25]

Answer: By definition, if  the atomic number  = 7 , then there are 7 protons, 7 electrons, and 8 neutrons!

Explanation:

The atomic number is by definition the number of protons, positively charged particles, contained within the atomic nucleus. So if there are 7 protons, there MUST be 7 electrons, 7 negatively charged particles. Why? Because matter is electrically neutral, and positive and negative particles must be equal.

Electrons have negligible mass; the mass number depends on the number of protons contained within the nucleus, PLUS the number of neutrons. Given that we have  15  N , there must be 8 neutrons contained within the nucleus.  does this help?

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In evolutionary theory, adaptation is the biological mechanism by which organisms adjust to new environments or to changes in their current environment. The idea of natural selection is that traits that can be passed down allow organisms to adapt to the environment better than other organisms of the same species

6 0
2 years ago
What three elements do all macromolecules share? Explain how the chemical properties of lipids, nucleic acids, proteins, and ami
Natasha2012 [34]

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Macromolecules in human body

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1. Carbohydrate,

2. Proteins

3. Lipids, and  

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1. Carbon

2. Hydrogen, and

3. Oxygen.  

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Difference in Chemical properties

                    Carbohydrate is composed of glucose monomers, which may have aldehyde functional group or ketone functional group. Protein is composed of monomers called amino acids. Each amino acid has carboxylic functional group, amino group, alkyl or aryl group and hydrogen atom. Lipid is composed of fatty acids and glycerol. While nucleic acid is composed of monomer called nucleotide. Each nucleotide is composed of pentose sugar, phosphate group and nitrogenous group. Due to the presence of different functional groups all these macromolecules have chemical properties different from each one


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2 years ago
How did you determine if the evidence had a causal or correlation relationship to the species survival
Andrews [41]

Answer:

Explanation:

A correlation between two variables does not imply causation. On the other hand, if there is a causal relationship between two variables, they must be correlated.

8 0
3 years ago
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