i need some help on this question
the new cell that is formed from fertilization is called a(n)
a) ovum
b) blastocyst
c) zygote
d) sperm
Egg-laying land animals have evolved to produce eggs with tough shells to ensure that
a) external fertilization can take place
b) the egg and the sperm can fuse
c) parental care is unnecessary
d) the developing embryo does not dry out
which of the following characteristics are true for both plants and animals reproduction?
a)alternation of generation
b)they carry hereditary material from parent
c)characterized by sexual reproduction
d)the offspring look identical to its parents
c,d,d
1) The new cell formed from fertilization is called a(n):
c) zygote
2) Egg-laying land animals have evolved to produce eggs with tough shells to ensure that:
d) the developing embryo does not dry out
3) Characteristics true for both plants and animals reproduction are:
a) alternation of generation
b) they carry hereditary material from parent
c) characterized by sexual reproduction
To answer the first question, the new cell that is formed from fertilization is called a zygote. This is option c).
To answer the second question, egg-laying land animals have evolved to produce eggs with tough shells to ensure that the developing embryo does not dry out. This is option d).
To answer the third question, the characteristics that are true for both plant and animal reproduction are:
a) alternation of generation - This is option a).
b) they carry hereditary material from parent - This is option b).
c) characterized by sexual reproduction - This is option c).
So, the correct answers are:
1) c) zygote
2) d) the developing embryo does not dry out
3) a) alternation of generation, b) they carry hereditary material from parent, and c) characterized by sexual reproduction.