Adaptation of spermatozoon

As new technology is developed, theories are studied in new ways. Which best describes what happens to the theory? It becomes a hypothesis It becomes a law. It becomes a fac It changes over time

What animals are in a human food chain?

In fall and winter the amount of sunlight the plants receive decreases. how does this affect photosynthesis

If you start with 1 ml of substrate and add no more, but you continue to add amounts of enzyme (say 1 ml every 5 minutes), what would happen to the enzymatic activity?

All the air is removed from a sealed metal can. After the air is removed, the can looks as if it were crushed. Why?

True or false. A good experiment consists of positive & negative controls, an altered variable to be tested and all other variables kept the same

Which statement is true about charles darwin? he was the first to outline the modern theory of evolution. he was the first to ask questions about the origins of life. he was the first to publish the traditional belief of evolution.

As esponjas possuem em seu revestimento interno células denominadas de coanócitos. Qual é a forma e as funçoes dessas células para a esponja?

Explain how speciation, directional, disruptive, and stabilizing selection affect biodiversity.

A steroid hormone uses a receptor protein that has two binding sites, one is a ligand binding site and the other is a dna binding site. what type of receptor is this?