1. Leaf reduced to spine
2. Well-developed vascular tissue
3. Well-developed mechanical tissue
4. Increase in aerenchyma.
Increase in aerenchyma.
1. Biotic potential
2. Carrying capacity
3. Fertility
4. Birth rate.
Biotic potential
1. Segmentation
2. Metamerism
3. Metagenesis
4. Metamorphosis
Metamerism
1. Choanocytes
2. Interstitial cells
3. Gastrodermal cells
4. Nematocytes
Interstitial cells
1. Mesoglea is present in between ectoderm and endoderm in obelia
2. Radial symmetry is found in asterias
3. Fasciola is a pseudocoelomate animal
4. Taenia is a triploblastic animal
Fasciola is a pseudocoelomate animal
1. In cockroaches and prawns excretion of waste material occurs through malpighian tubules
2. In ctenophores, iocomotion is mediated by comb plates
3. In fasciola flame cells take part in excretion
4. Earthworms are hermaphrodite and yet cross fertilization takes place among them
In cockroaches and prawns excretion of waste material occurs through malpighian tubules
1. Hemichondrata
2. Urochordata
3. Cephalochordate
4. All of the above
Hemichondrata
1. Urochordata
2. Urochordata
3. Cephalochordate
4. None of the above
Urochordata
1. Lateral
2. Absent
3. Ventral
4. Dorsal
Dorsal
1. Belfour
2. Lamarck
3. Horst
4. Linnaeus
Horst