Answer:
False
Explanation:
Cleavage in zygote forms a hollow ball of cells known as a blastula. The blastocoel refers to the fluid-filled cavity present in the blastula stage of early embryonic development.
Blastula undergoes gastrulation during which some of the cells exhibit inward movement and form a sac. The blastopore refers to the opening of this sac present in the gastrula stage of embryonic development.
Blastopore of gastrula develops into the mouth in protostomes and becomes anus in deuterostomes.
<span>The discovery of thornless plants was made around the turn of the 20th century. To name one such thornless plant, particularly, the Blackberry plant, the deviation from the thorned blackberry canes were discovered in the United States. Since then, several different thornless blackberry varieties have been cultivated for fruit gardens.</span>
Answer:
products of photosynthesis are glucose and oxygen
respiration is when you breath and cellular respiration involves taking the cells from when you breathe and turning it into chemical energy.
partial blockage can be cause by cancer within the bowel area or inflammation within the bowel area. obstruction blockage is caused by tissue compressed in the gut.
for first aid, you turn the individual on their back and deliver 5 back slaps between their shoulder blades, then do 5 chest thrusts.