Flatworms absorb oxygen by diffusion mechanism through their
skin to the cells in their bodies. Since flatworms do not have a circulatory system,
their bodies' cells are positioned close to the skin to ease the uptake of
oxygen from surrounding fluids or water.
The first one. Becuse there are more grey particuls, wich difuse faster.
Answer:
Tropical climates are wet and warm, while dry climates receive little or no rain. 3. ... Earth's five major climate zones are identified by temperature, precipitation, and plant life.
The correct answer is (A) the plaza is the center of most town activities.
The word la plaza in Spanish means square. In Spanish speaking world, the word la plaza play means a place which is the center of most town activities. This is a very common word used in Spain which signifies square. This word signifies that it is the center for most of the activities.
Answer:
The correct answer would be C) It increases survival for cuckoos, but decreases survival of the other birds.
The host chicks often face lots of competition from the cuckoo chicks in terms of food as well as space. It makes it difficult for the host chicks to survive.
It has also been found that cuckoo chicks beg to be fed more intensely due to which host chick die due to starvation.
In addition, in some species of cuckoo, cuckoo chicks remove host eggs from the nest within few days of hatching.
