Answer:
The statements in options A,B,C,D and E are correct:
A. Deuterstomia, Protostomia and Ecdysozoa are clades of bilaterians.
B. Invertebrates do not posses a back bone.
C. Lophotrochozoans posses a flexible exoskeleton for protection from harmful environments.
D. Studies show that sponges do not consist in a group with a common ancestry hence all animals except sponges share a common ancestor.
E. Lophotrochozoans posses three germ layer: the endoderm mesoderm and ectoderm, are bilaterally symmetrical and are invertebrates.
5.25= 21.966 that's the correct answer
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HERE IS UR ANSWER
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The kidneys are powerful chemical factories that perform the following functions:
- remove waste products from the body.
- remove drugs from the body.
- balance the body's fluids.
- release hormones that regulate blood pressure.
- produce an active form of vitamin D that promotes strong, healthy bones.
Working in a lab means working under controlled environment. If in the generation 1 and generation 3, the number of bird’s increases or decreases in number, the possible conditions for this would
- The amount of food increased or decreased
- If a flock’s beak type made it easier to pick up the available food, the flock grows and vice versa
Justification: if the beak type for generation 1 makes the food intake easier, it will grow which ultimately decreases the food for the generation 3 which has un-supportive beak type.
