How would the human population be different if crossing over did not happen during meiosis?

What is DNA? Where is it found?

1. What are the 4 things that must be occurring in a population for natural selection to occur? (These are Darwin's 4 postulates, use your notes!) Darwins u postulates

Stacy bought two vegetables. One of them is scaly with a few buds and the other has hairy structures. Which parts of the vegetable plants did she buy? A. both are tuberous roots B. root and stem, respectively C. tuberous stem and root, respectively

When is mitosis necessary

Jennifer explained that an

Protists use all of the following methods to obtain energy except A. photosynthesis / B. ingesting food / C. converting atmospheric nitrogen / D. absorbing food.

I need an answer quickly How is precipitation related to high - and/or low-pressure air? Question options: High-pressure systems lead to rain. Low-pressure systems lead to rain. Both high - and low-pressure systems lead to rain.

The activation energy for chemical reactions in living things is relatively high or relatively low?

A client who just has been diagnosed with primary open-angle glaucoma (poag) refuses therapy. the nurse reinforces that it is important for the client to seek treatment. which goal is the nurse trying to achieve?

How can pollution affect marine life?