What produces gametes in animals

How has this continued petroleum extraction from selected areas over time likely affected petroleum resources on Earth?

After the three days, what happens in each test tube? why? what is necessary for rust to occur? how does this activity demonstrate the fate of oxygen in earthâs early atmosphere, when iron in the oceans was still removing oxygen from the air?

Identify the option below that is NOT a characteristic all living things share. Question 1 options: Growth Movement Respond to stimuli Made of at least one cell

What are nematocysts?

Witch unit is part of si system

Which best describes the cell theory? 1. Scientists know all there is to know about cells, so the cell theory will not change. 2. As technological advancements are made, the cell theory may change. 3. A theory, once formulated, cannot be changed. 4.

What are the parts that make up nucleotide

What is the main function of vascular tissue in vascular plants? A. to cover the ground B. to move water and nutrients throughout the plant C. to provide the plant with its green coloring D. to complete photosynthesis

Why can't cellular respiration occur without photosynthesis

A transition from a squirrel to a monkey is seen easily by a. the transition of paws to hands with finger nails and position of the thumb b. the transition to bipedalism c. the tranisition of tails because primates do not have tails d.