Answer:
In biology, a cladogram can be described as a diagram which shows evolutionary relationships among different organisms. A cladogram shows which organisms share evolutionary history and which organisms are more closely related to one another.
<em>The cladogram in the above picture shows that the limbs originated after the jaws. </em>
The cladogram shows that amoeba was a common ancestor to sponges, earthworms, salmon, lizards, kangroo and cats.
Answer:
Option (a), (c), and (d).
Explanation:
The DNA is the genetic material of almost all the living organisms but in case of some viruses RNA acts as the genetic material. The DNA requires the binding of proteins and factors for the proper functioning of the cellular system.
The DNA and protein interaction is bounded by non covalent interactions as these interactions are not permanent in nature. The non covalent interaction include the hydrogen bonding, vander walls and ionic interaction. The covalent interaction is the strongest interaction present in nature.
Thus, the correct answer is option (f).
True statement. Sperm are continuously produced by males, while a female is born with a full supply of eggs.
Characteristics of egg cells and sperm cells.
*Egg cells are usually formed in a female before birth while sperm cells form during puberty.
*Egg cells are produced in the ovary of a female human being while sperm cells are produced in the testicles of a male human being.
*Egg cells are included in the largest cells in a female body while sperm cells are the smallest cells in the male body.
*Only a single egg cell is produced during ones menstruation cycle while millions of sperm cells are released during a single ejaculation.
*Egg cells formed before birth and are active only until female menopause while sperm cells production started during puberty until death of the male body.
D. Lateral
Explanation:
Lateral faults are not one of the three principal types of faults. A fault is a geologic structure produced as a result of brittle deformation of a rock. It results in blocks of rocks moving relatively one another.
There are three types of faults in a rock:
- Normal fault
- Thrust fault
- Strike slip fault
Normal and reverse faults can also be referred to as dip-slip fault.
- In a strike slip fault, two rocks slide past one another.
- This is different from dip slip faults in which a block slides down or up of another.
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Answer:
Explanation:
As plants because they are autotrophic in their mode of nutrition.,They have photosynthetic organelle which can be used to synthesise their food by themselves.Thus they contain membrane bound chloroplast,the photosynthetic organelle peculiar to plants .They also contain mitochondria and nucleus which are all present in green plants.
In addition some algae undergo asexual reproduction which is peculiar to green plants.They are different due to lack of complexity of tissues e.g xylem,phloem present in plants etc.
They are similar to animals because they contain membrane bound organelles of mitochondrial,nucleus .These are the characteristic feature of Eukaryotas They are also capable of sexual reproduction ,and locomotion with the aid of flagella.(Chlamydomonas)
