What percent of chromosomes for the baby does each parent contribute in the gametes?

If land was cleared 100 years ago for farming and has recently returned to its natural state covered with plants and trees. What has taken place?

12) How do harvesting wood and surface mining for coal affect ecosystems?

1. Several tomato plants are grown indoors next to a sunny window. The plants receive water and fertilizer and remain on the windowsill.

All the different species living in the world make up biological diversity. genetic diversity. a population. a habitat.

How does the rate of extinction compare to the rate of species formation on Earth today? The rate of speciation is faster. The rate of extinction is faster. The rates are about equal.

A 45 year-old male who is in good health presents with complaints of pain in his left heel. He states that the first few steps out of bed in the morning are extremely painful. He has no history of trauma. What is the likely etiology of his pain? A.

How can your weight vary but your mass can remain the same?

Which of these is NOT an aquatic reptile group? plesiosaurs pterosaurs ichthyosaurs nothosaurs

How are chemosynthetic bacteria different from photosynthesis bacteria

What comes first herbivores carnivores or producers