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padilas [110]
2 years ago
11

14. What happens during the development stages that happen between a

Biology
1 answer:
strojnjashka [21]2 years ago
7 0

Answer:

First, the zygote becomes a solid ball of cells. Then it becomes a hollow ball of cells called a blastocyst. Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.

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Match the type of water with the location in which it is found. surface water ,water vapor, atmosphere, well ,glacier ,river, gr
musickatia [10]

Answer:

Surface water <---> river

Ground water <------> well

Water vapour <------> atmosphere

Glacier <-------> ice

Explanation:

8 0
3 years ago
Dark energy has been hypothesized to exist in order to explain:
kykrilka [37]
Dark Energy explains:
How groups of objects function together, and also to keep the universe expanding
Hope this helped.
4 0
3 years ago
In an animal cell, which two cell structures do newly-synthesised enzymes have to pass through to reach the external environment
ss7ja [257]

Answer:

Ribosomes, Cell membrane

Explanation:

Ribosomes can be described as structures which are involved in the production of proteins. Ribosomes are hence known to be the protein manufacturing units of a cell. As enzymes are also proteins,they will be synthesized in the ribosomes.

Cell membrane can be described as the membrane which is present outside the cell or which separates the cell from the external environment.

For an enzyme to pass through the external environment, it will have to pass through the ribosomes and the cell membrane.

4 0
3 years ago
Most genetic diseases tend to be recessive. why is that?
Artyom0805 [142]
If the disease was cause by the dominant allele, every person with said gene would be affected with the disease. if the genetic allele is recessive, both parents can be carriers (hetero) without being affected. that makes it easier for the genes to keep being passed on.

hope this helps!
3 0
3 years ago
Write the definition of Mid-Atlantic Ridge and name the type of plate boundary that occurs there.
daser333 [38]

Answer:

The Mid-Atlantic Ridge (MAR) is a mid-ocean ridge, a divergent or constructive plate boundary located along the floor of the Atlantic Ocean, and part of the longest mountain range in the world. ... The ridge has an average spreading rate of about 2.5 centimetres (1 in) per year.

Explanation:

:)

8 0
3 years ago
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