Homologous chromosomes, is a pair of chromosome connected by a centromere. In sexual reproduction, the chromosome of the mother and the chromosome of the father pairs together.
Answer:
food chain- description 3
energy losses- description 5
pyramid of biomass- description 1
pyramid of numbers- description 4
energy flow- description 2
Answer: pistil, stamen, sepal, petal
Explanation:
A flower consists of four main parts named pistil, stamen, sepal, petal.
- stamen produces pollen grains
- pistil receives the pollen
- petal & sepal are components of the flower
