The two algae seen here are classified as green algae. That means they make their own food by photosynthesis. The algae on the l
eft is one-celled, or unicellular. The algae on the right is many-celled, or multicellular.
How are these two types of algae different?
Question 5 options:
Only the the multicellular algae contains a chloroplast.
They are different only in how many cells make up each algae.
Only the multicellular algae has chlorophyll for photosynthesis.
The multicellular algae cel has many more parts than the unicellular algae.
How are these two types of algae different?
Question 5 options:
Only the the multicellular algae contains a chloroplast.
They are different only in how many cells make up each algae.
Only the multicellular algae has chlorophyll for photosynthesis.
The multicellular algae cel has many more parts than the unicellular algae.
2 answers:
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Answer: a)
b)
c)
d)
Explanation:
General representation of an element is given as:_Z^A\textrm{X}
where,
Z represents Atomic number
A represents Mass number
X represents the symbol of an element
Mass number is defined as the sum of number of protons and neutrons that are present in an atom.
Mass number = Number of protons + Number of neutrons
In an atom, when neutrons or protons are lost or gains, it directly affects the mass number of an atom.
Atomic number is defined as the number of protons or number of electrons that are present in an atom.
It is characteristic of a particular element.
Atomic number = Number of electrons = Number of proton
a) Z 74, A 186:
b) Z 80, A 201:
c) Z 34, A 76:
d) Z 94, A 239.: