Which factor is not a characteristic of a mineral? a variable chemical composition crystalline structure that forms a geometric shape naturally occurring, inorganic substance always a solid; never a liquid or a gas

3 constants in a plant scientific experiment

The cardiovascular system of a mouse works like that of a human. a mouse is moved from sea level (low altitude) to the top of a mountain (high altitude).

How do the endocrine system send messages

Why can oxygen pass through the cell membrane by simple diffusion

Select all the correct answers. Which of these reproductive strategies are meant to ensure survival of the offspring? A male sea horse carries its young in its sack A peacock displays its brightly colored feathers.

The table compares the features of two plant species that exist near the shoreline in South Florida. Tree Species Data Tree Species Shade Provided Native Low Exotic High The nesting sites of sea turtles are more successful when the sites have more

A student measures the length of a glass rod five times and records the data as: a. 23.487 cm b. 23.493 cm c. 23.516 cm d. 23.501 cm e. 23.477 cm The labeled value of the glass rod is 23.490 cm.

Which example involves a cell membrane receiving and sending messages? A. A transport protein allows glucose to enter a cell B. A fox chases a mouse through the forest C. A cell tells other cells that danger is near D.

What is the name of the process that develops reproductive cells in males? oogenesis spermatogenesis fertilization polarization

If organimsbare of the same aprecies?