Answer:
To make a positive change in the environment.
Explanation:
We have to Stimulate birds with 3 different beaks by feeding them fruit to stimulate a positive change in the environment because birds control insect and rodent in the environment that causes severe damage to crops. It also contributes to pollination, and seed dispersal which result in great benefits to people. Annually insects destroy hundreds of millions of dollars of agricultural and forest products so if we provide safe environment to the birds they can save our millions of dollars.
Active transport uses up energy while passive transport does not.
Answer:
Based on their body <u>structure</u><u>,</u> flatworms and rotifers were not thought to be closely related. However, <u>bilateral symmetry and body texture</u><u> </u>showed that they are a <u>soft-bodied</u> group.
Explanation:
- Flatworm belongs to phylum Platyhelminthes and Rotifera belongs to phylum Rotifera.
- Their body structure may be different but both of them have a bilaterally symmetrical body.
- Both are aquatic animals.
- Flatworm is made up of ectoderm endoderm and mesoderm and has circular and longitudinal muscles. Rotifera is made up of skeletal and visceral muscles. So, they are soft-bodied animals.
Red blood cells carry oxygen to the body, the reason for this is because; red blood cells<span> contain haemoglobin, which absorbs </span>oxygen<span> in the lungs and releases </span>oxygen<span> in the rest of the </span>body<span>.
Hope I helped! X)</span>
